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Hassan J, Elmetwalli A, Helal M, Al Munajer EA, Hussien TM, Azem Saad AA, El-Sikaily A. Cadmium Exposure and Its Association with Oxidative Stress, MT1A Methylation, and Idiopathic Male Infertility in Egypt: A Case-Control Study. Food Chem Toxicol 2024; 192:114925. [PMID: 39142552 DOI: 10.1016/j.fct.2024.114925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 08/05/2024] [Accepted: 08/09/2024] [Indexed: 08/16/2024]
Abstract
Idiopathic male infertility, a significant health concern, lacks a clear etiology. Cadmium (Cd), a widespread environmental pollutant known to impact male reproductive health negatively, can accumulate in mussels, a common food source in Egypt. This study investigated the link between ecological Cd exposure, oxidative stress, MT1A methylation, and idiopathic male infertility in two regions of Alexandria. Thirty-three infertile men and 33 fertile controls were included. Cd levels were measured in mussels from the study sites and in participants' blood and semen. Biomarkers reflecting Cd exposure and its effects were assessed. Mussel Cd levels exceeded regulatory limits. Infertile men revealed significantly higher blood and semen Cd levels, reduced semen quality, increased oxidative stress, and elevated MT1A methylation compared to controls. MT1A methylation was inversely correlated with sperm count and is the strongest predictor of idiopathic male infertility, demonstrating the lowest p-value and considerable effect size. This study suggests that environmental Cd exposure, potentially through mussel consumption, may contribute to idiopathic male infertility in Egypt by increasing oxidative stress, inducing epigenetic modifications, and impairing semen quality. These findings underscore the need for further research into the mechanisms underlying Cd-induced male infertility and the development of preventative strategies.
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Affiliation(s)
- Jihan Hassan
- Department of Applied Medical Chemistry, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Alaa Elmetwalli
- Department of Clinical Trial Research Unit and Drug Discovery, Egyptian Liver Research Institute and Hospital (ELRIAH), Mansoura, Egypt; Microbiology Division, Higher Technological Institute of Applied Health Sciences, Egyptian Liver Research Institute and Hospital (ELRIAH), Mansoura, Egypt.
| | - Mohamed Helal
- National Institute of Oceanography and Fisheries (NIOF), 11865, Cairo, Egypt; Department of Biology, University of Southern Denmark, Odense 5230, Denmark
| | - Eyad Abdulrahim Al Munajer
- Department of Applied Medical Chemistry, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Tarek Mahmoud Hussien
- Department of Dermatology, Venerology and Andrology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Aziza Abdel Azem Saad
- Department of Applied Medical Chemistry, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Amany El-Sikaily
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, Elanfoushy, P.O. 21556 Alexandria, Egypt
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Geng J, Lv J, Zhang S, Ma Y, Sun Y, Du H. Kidney-tonifying formula facilitates the development and maturation of mouse preantral follicle in vitro. Am J Transl Res 2024; 16:3413-3426. [PMID: 39114693 PMCID: PMC11301477 DOI: 10.62347/qxtj9043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 07/17/2024] [Indexed: 08/10/2024]
Abstract
OBJECTIVE Kidney-tonifying formulas are frequently used in clinical practices to enhance follicular development and maturation. This research explored the impacts of the Bushen Tiaojing formula (BSTJF) on the development of mouse preantral follicles in vitro and its relationship with granulosa cells and gonadotropins. METHODS Preantral follicles were extracted from mice and cultured with or without serum from rats that were previously treated with or without BSTJF. During cultivation, the follicles were monitored for morphological changes and developmental maturation. Exhausted medium was collected every other day for the measurement of progesterone and estradiol (E2) levels by ELISA. Granulosa cells in in-vitro medium were collected on days 8, 10, and 12 and analyzed for determining the expressions of apoptosis-associated genes (Bax, Bcl-2, and Caspase-3). Propagation and apoptosis rates of collected granulosa cells were measured by CCK-8 assay and flow cytometry. RESULTS Compared with control follicles, follicles cultured with serum from BSTJF-treated rats had a higher survival rate, larger follicle diameter, higher Bcl-2 expression, and lower Bax and Caspase-3 expressions (all P ≤ 0.05). In addition, their granulosa cells presented substantially elevated proliferation (P ≤ 0.05) and a lower rate of apoptosis (P ≤ 0.05) compared with granulosa cells from control follicles. The level of E2 in the culture media of all groups increased slowly in the first 6 days. Subsequently, after formation of the antrum, the levels of E2 and progesterone were enhanced in the medium of follicles cultured with serum from BSTJF-treated rats compared with those in the media of control follicles (all P ≤ 0.05). CONCLUSION Serum from BSTJF-treated rats facilitated the in vitro development and maturation of mouse follicles by increasing the expression of anti-apoptotic gene Bcl-2, reducing the expressions of pro-apoptotic genes Bax and Caspase-3 as well as the apoptosis of granulosa cells, promoting the proliferation of granulosa cells and increasing the secretion of E2 and progesterone in the cells.
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Affiliation(s)
- Jingran Geng
- College of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese MedicineShijiazhuang, Hebei, China
- Hebei Maternity HospitalShijiazhuang, Hebei, China
| | - Jinmeng Lv
- College of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese MedicineShijiazhuang, Hebei, China
- Hebei Key Laboratory of Integrated Traditional and Western Medicine in Osteoarthrosis Research (Preparing), Hebei Province Cangzhou Hospital of Integrated Traditional and Western MedicineCangzhou, Hebei, China
| | - Shuancheng Zhang
- College of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese MedicineShijiazhuang, Hebei, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney PatternsShijiazhuang, Hebei, China
| | - Yucong Ma
- College of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese MedicineShijiazhuang, Hebei, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney PatternsShijiazhuang, Hebei, China
- Collaborative Innovation Center of Integrated Chinese and Western Medicine on Reproductive DiseaseShijiazhuang, Hebei, China
| | - Ying Sun
- College of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese MedicineShijiazhuang, Hebei, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney PatternsShijiazhuang, Hebei, China
- Collaborative Innovation Center of Integrated Chinese and Western Medicine on Reproductive DiseaseShijiazhuang, Hebei, China
| | - Huilan Du
- College of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese MedicineShijiazhuang, Hebei, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney PatternsShijiazhuang, Hebei, China
- Collaborative Innovation Center of Integrated Chinese and Western Medicine on Reproductive DiseaseShijiazhuang, Hebei, China
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Ma Y, Guo Y, Yuan G, Huang T. Triclosan impairs spermatocyte cell proliferation and induces autophagy by regulating MicroRNA-20a-5P by pargeting PTEN. Reprod Toxicol 2024:108663. [PMID: 39002938 DOI: 10.1016/j.reprotox.2024.108663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 05/09/2024] [Accepted: 07/06/2024] [Indexed: 07/15/2024]
Abstract
BACKGROUND Triclosan (TCS), as an endocrine disrupter, has been found to affect male fertility. However, the potential molecular mechanism is still unknown. We aimed to investigate whether the toxic effects of TCS on spermatocyte cells was mediated by the regulation of microRNA-20a-5P on PTEN. METHODS GC-2 and TM4 cells were treated with TCS (0.5-80μM) for 24 or 48hours. Effect of TCS on proliferation of GC-2 and TM4 cells was detected using a cell counting kit-8 (CCK8) assay. Expression of miR-17 family and autophagy genes were detected. The interaction between miR-20a-5P and PTEN was determined by a dual-luciferase reporter assay. RESULTS TCS decreased cell proliferation of GC-2 and TM4 cells. Expression of autophagy-related genes and miR-17 family was altered by TCS. PTEN expression was significantly increased, whereas the expression of miR-20a-5P was significantly decreased in GC-2 and TM4 cells. As predicted in relevant databases, there is a binding site of miR-20a-5P in PTEN. The expression of PTEN was significantly down-regulated by the miR-20a-5P mimic. CONCLUSION As a downstream target of miR-20a-5P, PTEN functioned in the autophagy process of which TCS inhibited the proliferation of spermatocyte cells. Our results provided new ideas for revealing the molecular mechanism and protective strategy on male infertility.
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Affiliation(s)
- Yue Ma
- Department of Preventive Medicine and Healthcare-Associated Infection Management, National Clinical Research Center for Infectious Diseases, Third People's Hospital of Shenzhen and the Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen, 518112 Guangdong, China
| | - Yinsheng Guo
- Department of Public Health Emergency Preparedness and Response, Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China.
| | - Guanxiang Yuan
- Department of Public Health Emergency Preparedness and Response, Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Ting Huang
- Department of Preventive Medicine and Healthcare-Associated Infection Management, National Clinical Research Center for Infectious Diseases, Third People's Hospital of Shenzhen and the Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen, 518112 Guangdong, China.
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Boothroyd C, Bassett K, Robson S. Australia's fertility rate and the future. Aust N Z J Obstet Gynaecol 2024; 64:176-180. [PMID: 39007515 DOI: 10.1111/ajo.13847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Accepted: 05/19/2024] [Indexed: 07/16/2024]
Affiliation(s)
- Clare Boothroyd
- Care Fertility, Greenslopes Private Hospital, Brisbane, Queensland, Australia
- Asia Pacific Initiative on Reproduction, Singapore
| | - Katharine Bassett
- College of Health and Medicine, Australian National University, Canberra, Australian Capital Territory, Australia
| | - Stephen Robson
- Obstetrics and Gynaecology, Australian National University, Canberra, Australian Capital Territory, Australia
- Australian Medical Association, Barton, Australian Capital Territory, Australia
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Chen X, Hao X, Xie L, Liu X. A bidirectional causal relationship study between mental disorders and male and female infertility. Front Psychiatry 2024; 15:1378224. [PMID: 38699446 PMCID: PMC11064171 DOI: 10.3389/fpsyt.2024.1378224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 03/28/2024] [Indexed: 05/05/2024] Open
Abstract
Background The relation between mental disorders (MDs) and infertility can be reciprocal. But exactly which MD affects infertility remains controversial. Our aim was to use Mendelian randomization (MR) to explore bidirectional causality between 15 MDs and male infertility and female infertility. Methods The data of MDs, male infertility, and female infertility were derived from published genome-wide association studies (GWAS). The inverse variance weighted method was considered to be the main analytical approach. Sensitivity analysis was performed using MR-Egger, Cochran's Q, radial MR, and MR-PRESSO tests. Results Our results found that mood disorders (OR, 1.4497; 95% CI, 1.0093 - 2.0823; P = 0.0444) and attention deficit hyperactivity disorder (OR, 1.3921; 95% CI, 1.0943 - 1.7709; P = 0.0071) were positively correlated with male infertility, but obsessive-compulsive disorder (OR, 0.8208; 95% CI, 0.7146 - 0.9429; P = 0.0052) was negatively associated with male infertility. For females, anorexia nervosa (OR, 1.0898; 95% CI, 1.0070 - 1.1794; P = 0.0329), attention deficit hyperactivity disorder (OR, 1.1013; 95% CI, 1.0041 - 1.2079; P = 0.0406), and major depressive disorder (OR, 1.1423; 95% CI, 1.0213 - 1.2778; P = 0.0199) increased risk of infertility. In reverse relationship, female infertility increased the incidence of bipolar disorder (OR, 1.0009; 95% CI, 1.0001 - 1.0017; P = 0.0281). Conclusion We demonstrated the association between five MDs and male or female infertility. Female infertility was also found to be associated with an increased risk of one MD. We look forward to better designed epidemiological studies to support our results.
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Affiliation(s)
| | | | | | - Xiaoqiang Liu
- Department of Urology, Tianjin Medical University General Hospital, Tianjin, China
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Gokyer D, Akinboro S, Zhou LT, Kleinhans A, Laronda MM, Duncan FE, Riley JK, Goldman KN, Babayev E. The oocyte microenvironment is altered in adolescents compared to oocyte donors. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.04.588118. [PMID: 38617323 PMCID: PMC11014529 DOI: 10.1101/2024.04.04.588118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Study question Are the molecular signatures of cumulus cells (CCs) and follicular fluid (FF) of adolescents undergoing fertility preservation differ from that of reproductively adult oocyte donors? Summary answer The microenvironment immediately surrounding the oocyte, including the CCs and FF, is altered in adolescents undergoing fertility preservation compared to oocyte donors. What is known already Adolescents experience a period of subfecundity following menarche. Recent evidence suggests that this may be at least partially due to increased oocyte aneuploidy. Reproductive juvenescence in mammals is associated with suboptimal oocyte quality. Study design size duration This was a prospective cohort study. Adolescents (10-19 years old, N=23) and oocyte donors (22-30 years old, N=31) undergoing ovarian stimulation and oocyte retrieval at the Northwestern Fertility and Reproductive Medicine Center between November 1, 2020 and May 1, 2023 were enrolled in this study. Participants/materials setting methods Patient demographics, ovarian stimulation, and oocyte retrieval outcomes were collected for all participants. The transcriptome of CCs associated with mature oocytes was compared between adolescents (10-19 years old, n=19), and oocyte donors (22-30 years old, n=19) using bulk RNA-sequencing. FF cytokine profiles (10-19 years old, n=18 vs. 25-30 years old, n=16) were compared using cytokine arrays. Main results and the role of chance RNA-seq analysis revealed 581 differentially expressed genes (DEGs) in cumulus cells of adolescents relative to oocyte donors, with 361 genes downregulated and 220 upregulated. Genes enriched in pathways involved in cell cycle and cell division (e.g., GO:1903047, p= 3.5 × 10-43; GO:0051983, p= 4.1 × 10-30; GO:0000281, p= 7.7 × 10-15; GO:0044839, p= 5.3 × 10-13) were significantly downregulated, while genes enriched in several pathways involved in cellular and vesicle organization (e.g., GO:0010256, p= 1.2 × 10-8; GO:0051129, p= 6.8 × 10-7; GO:0016050, p= 7.4 × 10-7; GO:0051640, p= 8.1 × 10-7) were upregulated in CCs of adolescents compared to oocyte donors. The levels of 9 cytokines were significantly increased in FF of adolescents compared to oocyte donors: IL-1 alpha (2-fold), IL-1 beta (1.7-fold), I-309 (2-fold), IL-15 (1.6-fold), TARC (1.9-fold), TPO (2.1-fold), IGFBP-4 (2-fold), IL-12-p40 (1.7-fold) and ENA-78 (1.4-fold). Interestingly, 7 of these cytokines have known pro-inflammatory roles. Importantly, neither the CC transcriptomes or FF cytokine profiles were different in adolescents with or without cancer. Large scale data Original high-throughput sequencing data will be deposited in Gene Expression Omnibus (GEO) before publication, and the GEO accession number will be provided here. Limitations reasons for caution This study aims to gain insights into the associated gamete quality by studying the immediate oocyte microenvironment. The direct study of oocytes is more challenging due to sample scarcity, as they are cryopreserved for future use, but will provide a more accurate assessment of oocyte reproductive potential. Wider implications of the findings Understanding the underpinnings of altered immediate oocyte microenvironment of adolescent patients may provide insights into the reproductive potential of the associated gametes in the younger end of the age spectrum. This has implications for the fertility preservation cycles for very young patients. Study funding/competing interests This project was supported by Friends of Prentice organization SP0061324 (M.M.L and E.B.), Gesualdo Family Foundation (Research Scholar: M.M.L.), and NIH/NICHD K12 HD050121 (E.B.). The authors have declared that no conflict of interest exists.
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Affiliation(s)
- Dilan Gokyer
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611
| | - Sophia Akinboro
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611
- Weinberg College of Arts and Sciences, Northwestern University, Evanston, IL, 60208
| | - Luhan T. Zhou
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611
| | - Anna Kleinhans
- Department of Obstetrics and Gynecology, Northwestern Medicine Center for Fertility and Reproductive Medicine, Chicago, IL, 60611
| | - Monica M. Laronda
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611
- Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611
- Stanley Manne Children’s Research Institute, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL, 60611
| | - Francesca E. Duncan
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611
| | - Joan K. Riley
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611
- Department of Obstetrics and Gynecology, Northwestern Medicine Center for Fertility and Reproductive Medicine, Chicago, IL, 60611
| | - Kara N. Goldman
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611
- Department of Obstetrics and Gynecology, Northwestern Medicine Center for Fertility and Reproductive Medicine, Chicago, IL, 60611
| | - Elnur Babayev
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611
- Department of Obstetrics and Gynecology, Northwestern Medicine Center for Fertility and Reproductive Medicine, Chicago, IL, 60611
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Dutta S, More A, Mahajan S, Nawale N, Choudhary N, Shrivastava D. Assessment of Reproductive Health Knowledge Among College Students in Northwestern India: A Cross-Sectional Study. Cureus 2024; 16:e54681. [PMID: 38524049 PMCID: PMC10960612 DOI: 10.7759/cureus.54681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 02/22/2024] [Indexed: 03/26/2024] Open
Abstract
Background Reproductive health knowledge is a critical aspect of overall well-being, particularly among college students who represent a demographic transitioning into adulthood. In northwestern India, where cultural nuances and societal perceptions play a significant role, understanding the factors influencing reproductive health knowledge becomes imperative. This cross-sectional study explores the interplay between demographic factors and awareness of reproductive health and infertility treatment among college students in northwestern India. Methods A diverse sample of 564 college students in northwestern India participated in the study, providing information on key demographic variables, including age, gender, marital status, degree, field of study, and college year. Statistical analysis, including the calculation of p-values, was employed to determine the significance of associations between these demographic factors and the participants' knowledge of reproductive health. Descriptive statistics, including percentages and numbers, were calculated to present a comprehensive overview of the data. To evaluate the significance of associations, chi-square tests were conducted for categorical variables such as age, gender, marital status, degree, field of study, and college year. The p-values were computed to determine the statistical significance of observed relationships, with a significance level set at 0.05. Results The study uncovered notable findings with implications for targeted interventions. Among age groups, participants aged 23-25 exhibited the highest knowledge percentage at 43.22% (51/564), and this association was statistically significant (p = 0.042). Gender disparities were evident, with females showing higher awareness (46.52% (127/564)) compared to males, and this difference was statistically significant (p = 0.001). Marital status revealed significant differences (p = 0.0012), particularly in single individuals who demonstrated a knowledge percentage of 46.52% (127/564). Significant variations were observed based on the degree held, with doctorate holders having the highest awareness at 49.15% (58/564) (p = 0.01). Field of study significantly influenced knowledge (p = 0.0001), particularly in medical and engineering disciplines. College year also exhibited significance (p = 0.003), with the first-year students demonstrating a knowledge percentage of 42.20% (73/564). Conclusions These findings underscore the importance of tailored educational interventions and targeted awareness campaigns. Recognizing the influence of demographic factors on reproductive health knowledge is crucial for developing effective strategies that address the specific needs of college students in northwestern India, promoting a more informed approach to reproductive health and infertility treatment.
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Affiliation(s)
- Shilpa Dutta
- Clinical Embryology, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Akash More
- Clinical Embryology, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Sanket Mahajan
- Clinical Embryology, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Neha Nawale
- Clinical Embryology, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Namrata Choudhary
- Clinical Embryology, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Deepti Shrivastava
- Obstetrics and Gynaecology, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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Bhardwaj JK, Bikal P, Sachdeva SN. Cadmium as an ovarian toxicant: A review. J Appl Toxicol 2024; 44:129-147. [PMID: 37587800 DOI: 10.1002/jat.4526] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 07/24/2023] [Accepted: 07/24/2023] [Indexed: 08/18/2023]
Abstract
Cadmium (Cd) is a ubiquitous heavy metal toxicant with no biological function in the human body. Considerably, because of its long biological half-life and very low excretion rate, Cd is inclined to accumulate and cause deleterious effects on various body organs (e.g., liver, kidney, and ovary) in humans and animals. Ovaries are the most vulnerable targets of Cd toxicity. Cd has been shown to induce oxidative stress, follicular atresia, hormonal imbalance, and impairment of oocyte growth and development. Moreover, Cd toxicity has been associated with increasing incidences of menstrual disorders, pregnancy loss, preterm births, delayed puberty, and female infertility. Therefore, it is crucial to understand how Cd poisoning impacts specific ovarian processes for the development of preventive interventions to enhance female fertility. The current review attempts to collate the recent findings on Cd-induced oxidative stress, follicular apoptosis, steroid synthesis inhibition, and teratogenic toxicity, along with their possible mechanisms in the ovarian tissue of different animal species. Additionally, the review also summarizes the studies related to the use of many antioxidants, medicinal herbs, and other compounds as remedial approaches for managing Cd-induced ovarian toxicity.
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Affiliation(s)
- Jitender Kumar Bhardwaj
- Reproductive Physiology Laboratory, Department of Zoology, Kurukshetra University, Kurukshetra, Haryana, India
| | - Prerna Bikal
- Reproductive Physiology Laboratory, Department of Zoology, Kurukshetra University, Kurukshetra, Haryana, India
| | - Som Nath Sachdeva
- Department of Civil Engineering, National Institute of Technology Kurukshetra, Kurukshetra University, Kurukshetra, Haryana, India
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Robinson LG, Kalmbach K, Sumerfield O, Nomani W, Wang F, Liu L, Keefe DL. Telomere dynamics and reproduction. Fertil Steril 2024; 121:4-11. [PMID: 37993053 DOI: 10.1016/j.fertnstert.2023.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 11/12/2023] [Accepted: 11/13/2023] [Indexed: 11/24/2023]
Abstract
The oocyte, a long-lived, postmitotic cell, is the locus of reproductive aging in women. Female germ cells replicate only during fetal life and age throughout reproductive life. Mechanisms of oocyte aging include the accumulation of oxidative damage, mitochondrial dysfunction, and disruption of proteins, including cohesion. Nobel Laureate Bob Edwards also discovered a "production line" during oogonial replication in the mouse, wherein the last oocytes to ovulate in the adult-derived from the last oogonia to exit mitotic replication in the fetus. On the basis of this, we proposed a two-hit "telomere theory of reproductive aging" to integrate the myriad features of oocyte aging. The first hit was that oocytes remaining in older women traversed more cell cycles during fetal oogenesis. The second hit was that oocytes accumulated more environmental and endogenous oxidative damage throughout the life of the woman. Telomeres (Ts) could mediate both of these aspects of oocyte aging. Telomeres provide a "mitotic clock," with T attrition an inevitable consequence of cell division because of the end replication problem. Telomere's guanine-rich sequence renders them especially sensitive to oxidative damage, even in postmitotic cells. Telomerase, the reverse transcriptase that restores Ts, is better at maintaining than elongating T. Moreover, telomerase remains inactive during much of oogenesis and early development. Oocytes are left with short Ts, on the brink of viability. In support of this theory, mice with induced T attrition and women with naturally occurring telomeropathy suffer diminished ovarian reserve, abnormal embryo development, and infertility. In contrast, sperm are produced throughout the life of the male by a telomerase-active progenitor, spermatogonia, resulting in the longest Ts in the body. In mice, cleavage-stage embryos elongate Ts via "alternative lengthening of telomeres," a recombination-based mechanism rarely encountered outside of telomerase-deficient cancers. Many questions about Ts and reproduction are raised by these findings: does the "normal" T attrition observed in human oocytes contribute to their extraordinarily high rate of meiotic nondisjunction? Does recombination-based T elongation render embryos susceptible to mitotic nondisjunction (and mosaicism)? Can some features of Ts serve as markers of oocyte quality?
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Affiliation(s)
- LeRoy G Robinson
- Department of Obstetrics and Gynecology, New York University Langone Fertility Center, New York University School of Medicine, NYU Langone Health, New York, New York; Department of Biology, San Francisco State University, San Francisco, California
| | - Keri Kalmbach
- Department of Obstetrics and Gynecology, New York University Langone Fertility Center, New York University School of Medicine, NYU Langone Health, New York, New York
| | - Olivia Sumerfield
- Department of Obstetrics and Gynecology, New York University Langone Fertility Center, New York University School of Medicine, NYU Langone Health, New York, New York
| | - Wafa Nomani
- Department of Obstetrics and Gynecology, New York University Langone Fertility Center, New York University School of Medicine, NYU Langone Health, New York, New York
| | - Fang Wang
- Department of Obstetrics and Gynecology, New York University Langone Fertility Center, New York University School of Medicine, NYU Langone Health, New York, New York
| | - Lin Liu
- College of Life Sciences, Nankai University, Tianjin, People's Republic of China
| | - David L Keefe
- Department of Obstetrics and Gynecology, New York University Langone Fertility Center, New York University School of Medicine, NYU Langone Health, New York, New York.
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Sustarsic A, Hadzic V, Meulenberg CJW, Abazovic E, Videmsek M, Burnik Papler T, Paravlic AH. The influence of lifestyle interventions and overweight on infertility: a systematic review, meta-analysis, and meta-regression of randomized controlled trials. Front Med (Lausanne) 2023; 10:1264947. [PMID: 38020109 PMCID: PMC10646477 DOI: 10.3389/fmed.2023.1264947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 09/25/2023] [Indexed: 12/01/2023] Open
Abstract
This study aimed to investigate the effect of lifestyle intervention (LSI) on diagnosed infertility in overweight and obese women. A systematic review and meta-analysis were conducted. A literature search was performed on the following databases from September 2022 to December 2022: PubMed, Web of Science, and SPORTDiscus. The inclusion criteria were the following: women between 18 and 45 years of age, BMI over 25.0 kg/m2, diagnosed with infertility, a weight loss intervention, and control group part of RCTs. In total, 15 studies were identified and included. The meta-analysis shows a beneficial effect of LSI on reducing weight, waist circumference, and BMI and increasing infertility. A significantly beneficial effect of lifestyle intervention on weight reduction was observed for participants who initially had a higher BMI, while a non-significant effect was observed for individuals with a BMI above 35 kg/m2. The meta-analysis showed a beneficial effect of lifestyle intervention on ovulation incidence and sex hormone-binding globulin. The lifestyle intervention group had 11.23 times more ovulatory incidence than the control group, which in turn increased the ability to conceive. As robust evidence for the effect of lifestyle interventions on infertility in obese and overweight women was found, it is advised to integrate similar interventions into future infertility treatment processes.
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Affiliation(s)
- Ana Sustarsic
- Faculty of Sports, University of Ljubljana, Ljubljana, Slovenia
| | - Vedran Hadzic
- Faculty of Sports, University of Ljubljana, Ljubljana, Slovenia
| | | | - Ensar Abazovic
- Faculty of Sport and Physical Education, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Mateja Videmsek
- Faculty of Sports, University of Ljubljana, Ljubljana, Slovenia
| | - Tanja Burnik Papler
- Division of Gynecology, Department of Human Reproduction, University Medical Center Ljubljana, Ljubljana, Slovenia
| | - Armin H. Paravlic
- Faculty of Sports, University of Ljubljana, Ljubljana, Slovenia
- Faculty of Sports Studies, Masaryk University, Brno, Czechia
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11
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Deshpande S, Patel KD, Parulkar T, Mahabalesh K, Madhusudhan P, Madhusudhan DK, Thimmapuram J. Effect of Heartfulness meditation based integrative therapy on infertility outcomes: A retrospective case series evaluation. J Ayurveda Integr Med 2023; 14:100793. [PMID: 37797350 PMCID: PMC10562913 DOI: 10.1016/j.jaim.2023.100793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 07/12/2023] [Accepted: 08/02/2023] [Indexed: 10/07/2023] Open
Abstract
BACKGROUND In Indian context, infertility is often a silent struggle. Despite the high prevalence of infertility in the country, the majority of couples do not share their struggles with family or friends due to social stigma, thus increasing their psychological vulnerability. Heartfulness meditation has shown to decrease stress, anxiety, loneliness and improve sleep along with quality of life. OBJECTIVES The current retrospective series evaluated the effectiveness of Heartfulness-based integrative therapy on infertility outcomes. METHODS The program consisted of a 5- day onsite lifestyle modification workshop and online follow up meditation sessions. RESULTS 54 couples with infertility participated in the program with a mean age of 30.74 years (SD 5.04) for females and 34.03 years (SD 4.54) for males. 15 couples presented with male infertility, 16 couples presented with female infertility and in 5 couples both partners had infertility problems. Further, 18 couples had unexplained infertility. 24 couples conceived with 18 natural conceptions, five via assisted reproductive technology and one spontaneous abortion. CONCLUSION The program was beneficial in the cohort who utilized it as prescribed resulting in conception of 24 out of 54 couples. Future research investigating the causal relationship of Heartfulness meditation on fertility outcomes in a randomized control study could solidify this treatment method to be used independently or as an adjuvant therapy with assisted reproductive technologies.
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Affiliation(s)
| | | | | | | | | | - Divya K Madhusudhan
- GCSRT, Department of Postgraduate Medical Education, Harvard Medical School, USA
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12
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Boedt T, Dancet E, Speelman N, Spiessens C, Matthys C, Lie Fong S. Belgian Fertility Clinic Staff Value Healthy Lifestyle Promotion but Lack Access to a Structured Lifestyle Modification Programme: An Observational Study. Gynecol Obstet Invest 2023; 88:278-285. [PMID: 37552964 PMCID: PMC10659001 DOI: 10.1159/000531139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 05/05/2023] [Indexed: 08/10/2023]
Abstract
OBJECTIVES Guidelines advise promoting a healthy lifestyle among patients with fertility problems as the lifestyle of women and men proved to be associated with their fertility. Australian fertility nurses were shown to lack access to structured lifestyle modification programmes, although they value healthy lifestyle promotion. This study aimed to examine whether gynaecologists also value promoting a healthy lifestyle and whether structured lifestyle modification programmes are available in Belgian fertility clinics. DESIGN An observational study was conducted among health care professionals (HCPs) working in Belgian fertility clinics. PARTICIPANTS/MATERIALS, SETTING, METHODS An Australian questionnaire on attitudes and practices related to promoting a healthy lifestyle among patients with fertility problems was reciprocally back-to-back translated and three open-ended questions were added. All HCPs of Belgian fertility clinics, including gynaecologists, fertility nurses/midwives, psychologists, and embryologists, were invited by e-mail to complete the questionnaire online. Responses to closed and open-ended questions were analysed with, respectively, descriptive statistics and qualitative thematic analysis. Finally, differences in perspectives between different groups of HCPs were explored. RESULTS A total of 50 fertility nurses/midwives, 42 gynaecologists, and 19 other HCPs completed the survey (n = 111). Regarding attitudes, all respondents valued informing patients about the impact of lifestyle on fertility. The vast majority of HCPs (n = 96; 86%) stated that fertility clinics have the responsibility to address unhealthy lifestyles prior to offering fertility treatment. Fertility nurses/midwives were significantly more likely than gynaecologists to state that fertility clinics have this responsibility (p = 0.040). Regarding practices, the patient's lifestyle was most commonly discussed by the gynaecologist (n = 107; 96%) during the first appointment (n = 105; 95%). The lifestyle factors that were being addressed, according to the vast majority of respondents, were smoking, weight, age, alcohol, and recreational drugs. Only three HCPs (from three different clinics) stated that their clinic offered a structured lifestyle modification programme. HCPs explained that they lacked the resources and expertise for offering a structured lifestyle modification programme. LIMITATIONS Response rates were limited, but the responding Belgian gynaecologists and fertility nurses/midwives confirmed the findings of the previous study in Australian fertility nurses. CONCLUSIONS HCPs working in Belgian fertility clinics value healthy lifestyle promotion but lack access to structured lifestyle modification programmes to implement in their daily clinical practice. Future studies should focus on developing and evaluating structured lifestyle modification programmes for patients with fertility problems.
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Affiliation(s)
- Tessy Boedt
- Department of Chronic Diseases and Metabolism, Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium,
- Leuven University Fertility Centre, University Hospitals Leuven, Leuven, Belgium,
| | - Eline Dancet
- Leuven University Fertility Centre, University Hospitals Leuven, Leuven, Belgium
- Department of Development and Regeneration, KU Leuven, Leuven, Belgium
| | - Naomi Speelman
- Department of Chronic Diseases and Metabolism, Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium
| | - Carl Spiessens
- Leuven University Fertility Centre, University Hospitals Leuven, Leuven, Belgium
- Department of Development and Regeneration, KU Leuven, Leuven, Belgium
| | - Christophe Matthys
- Department of Chronic Diseases and Metabolism, Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium
| | - Sharon Lie Fong
- Leuven University Fertility Centre, University Hospitals Leuven, Leuven, Belgium
- Department of Development and Regeneration, KU Leuven, Leuven, Belgium
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Zhao J, Xuan Y, Zhang Y, Hong X, Zhang H, Zhang R, Yan T, Wang Y, Peng Z, Zhang Y, Jiao K, He T, Wang Q, Shen H, Zhang Y, Yan D, Wang B, Ma X. Assessment of Prior Infection With Hepatitis B Virus and Fecundability in Couples Planning Pregnancy. JAMA Netw Open 2023; 6:e2330870. [PMID: 37651142 PMCID: PMC10472190 DOI: 10.1001/jamanetworkopen.2023.30870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 07/19/2023] [Indexed: 09/01/2023] Open
Abstract
IMPORTANCE The association of hepatitis B virus (HBV) infection with reduced fecundability among reproductive-aged couples lacks large-population, in-depth study evidence. OBJECTIVE To investigate the association of HBV infection with time to pregnancy in couples planning pregnancy, and to explore whether this association varied by gravidity, health statuses, or lifestyles. DESIGN, SETTING, AND PARTICIPANTS This is a population-based cohort study of Chinese couples participating in the National Free Preconception Check-up Projects during 2015 to 2017. They were planning pregnancy and were followed-up every 3 months until getting pregnant, as confirmed by gynecologic ultrasonography, or were followed-up for 1 year. Data were analyzed between March 1, 2022, and September 30, 2022. MAIN OUTCOMES AND MEASURES The main outcome was time to pregnancy, assessed using fecundability hazard ratios (HRs). The Cox proportional hazards regression models were used to estimate the association of HBV infection with fecundability. RESULTS Among 2 419 848 couples (mean [SD] age, 27.87 [5.20] years for women and 29.58 [5.50] years for men), 126 728 women (5.24%) and 156 572 men (6.47%) were infected with HBV. Compared with the HBV-negative group, the fecundability of both women and men in the HBV-positive group decreased by 5% (HR, 0.95; 95% CI, 0.94-0.95). Compared with couples in which both partners were HBV negative, the fecundability of those in which both partners were HBV positive declined by 6% (HR, 0.94; 95% CI, 0.93-0.96) among all couples, by 3% (HR, 0.97; 95% CI, 0.95-0.99) among nulligravidas couples, and by 7% (HR, 0.93; 95% CI, 0.91-0.95) among multigravidas couples. Both the female-male and couple models suggested that the association of HBV infection with decreased fecundability was more pronounced in couples with multigravidas. The negative association was greater in people with overweight and obesity and was inconsistent in certain subgroups; in particular, it was more pronounced in women with reproductive tract infections, normal fasting plasma glucose, and no alcohol intake and in men with normal blood pressure. CONCLUSIONS AND RELEVANCE In this population-based cohort study, HBV infection was associated with decreased fecundability in a general reproductive-aged population, especially in couples with multigravidas. For women and men with certain health statuses and lifestyles, a comprehensive consideration of this association is recommended to provide personalized fertility guidance.
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Affiliation(s)
- Jun Zhao
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
| | - Yan Xuan
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Epidemiology and Statistics, School of Public Health, Southeast University, Nanjing, Jiangsu, China
| | - Yue Zhang
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
| | - Xiang Hong
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Epidemiology and Statistics, School of Public Health, Southeast University, Nanjing, Jiangsu, China
| | - Hongguang Zhang
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
| | - Rong Zhang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Epidemiology and Statistics, School of Public Health, Southeast University, Nanjing, Jiangsu, China
| | - Tao Yan
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Epidemiology and Statistics, School of Public Health, Southeast University, Nanjing, Jiangsu, China
| | - Yuanyuan Wang
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
| | - Zuoqi Peng
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
| | - Ya Zhang
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
| | - Kailei Jiao
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
| | - Tianyu He
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
| | - Qiaomei Wang
- Department of Maternal and Child Health, National Health Commission of the People’s Republic of China, Beijing, China
| | - Haiping Shen
- Department of Maternal and Child Health, National Health Commission of the People’s Republic of China, Beijing, China
| | - Yiping Zhang
- Department of Maternal and Child Health, National Health Commission of the People’s Republic of China, Beijing, China
| | - Donghai Yan
- Department of Maternal and Child Health, National Health Commission of the People’s Republic of China, Beijing, China
| | - Bei Wang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Epidemiology and Statistics, School of Public Health, Southeast University, Nanjing, Jiangsu, China
| | - Xu Ma
- National Research Institute for Family Planning, Beijing, China
- National Human Genetic Resources Center, Beijing, China
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14
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Bakkensen JB, Smith KS, Cheung EO, Moreno PI, Goldman KN, Lawson AK, Feinberg EC. Childbearing, Infertility, and Career Trajectories Among Women in Medicine. JAMA Netw Open 2023; 6:e2326192. [PMID: 37498595 PMCID: PMC10375303 DOI: 10.1001/jamanetworkopen.2023.26192] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 06/14/2023] [Indexed: 07/28/2023] Open
Abstract
Importance Although women are increasingly represented within medicine, gender disparities persist in time to promotion, achievement of academic rank, and appointment to leadership positions, with no narrowing of this gap over time. Career-specific fertility and family building challenges among women physicians may contribute to ongoing disparities and academic attrition. Objective To evaluate delayed childbearing and infertility among women in medicine and investigate the extent to which women physicians may alter career trajectories to accommodate family building and parenthood. Design, Setting, and Participants This survey study was conducted among women physicians, with surveys distributed through medical society electronic mailing lists (listserves) and social media from March to August 2022. Main Outcomes and Measures Baseline demographic information and fertility knowledge were assessed. Descriptive data on delayed childbearing, infertility, use of assisted reproductive technology, and career alterations to accommodate parenthood were collected. Factors associated with timing of pregnancy and family building regret were assessed using Likert-type scales. Group differences in fertility knowledge, delayed childbearing, infertility, and family building regret were evaluated using χ2 analyses. Results A total of 1056 cisgender women (mean [SD] age, 38.3 [7.7] years) were surveyed across level of training (714 attending physicians [67.6%] and 283 residents or fellows [26.8%]), specialty (408 surgical [38.6%] and 638 nonsurgical [60.4%] specialties), and practice setting (323 academic [45.2%], 263 private [24.9%], and 222 community [21.0%] settings). Among respondents, 1036 individuals [98.1%] resided in the US. Overall, 910 respondents (86.2%) were married or partnered and 690 respondents (65.3%) had children. While 824 physicians (78.0%) correctly identified the age of precipitous fertility decline, 798 individuals (75.6%) reported delaying family building and 389 individuals (36.8%) had experienced infertility. Concerning measures taken to accommodate childbearing or parenthood, 199 women (28.8%) said they had taken extended leave, 171 women (24.8%) said they had chosen a different specialty, 325 women (47.1%) said they had reduced their work hours, 171women (24.8%) said they had changed their practice setting, and 326 women (47.2%) said they had passed up opportunities for career advancement among those with children. Additionally, 30 women with children (4.3%) had left medicine entirely. Conclusions and Relevance In this survey study, women physicians reported that career-related pressures influenced the timing of childbearing and led to marked alterations to career trajectories to accommodate family building and parenthood. These findings suggest that fertility and family building concerns among women in medicine may contribute to ongoing gender disparities and attrition and represent a potentially critical area for policy reform and future change.
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Affiliation(s)
- Jennifer B. Bakkensen
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Kathryn S. Smith
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Elaine O. Cheung
- Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Hinge, New York, New York
| | - Patricia I. Moreno
- Department of Public Health Sciences at the University of Miami Miller School of Medicine, Miami, Florida
| | - Kara N. Goldman
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Angela K. Lawson
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Eve C. Feinberg
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
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15
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Wootton RE, Lawn RB, Magnus MC, Treur JL, Corfield EC, Njølstad PR, Andreassen OA, Lawlor DA, Munafò MR, Håberg SE, Davey Smith G, Reichborn-Kjennerud T, Magnus P, Havdahl A. Associations between health behaviours, fertility and reproductive outcomes: triangulation of evidence in the Norwegian Mother, Father and Child Cohort Study (MoBa). BMC Med 2023; 21:125. [PMID: 37013617 PMCID: PMC10071662 DOI: 10.1186/s12916-023-02831-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 03/13/2023] [Indexed: 04/05/2023] Open
Abstract
BACKGROUND Guidance to improve fertility includes reducing alcohol and caffeine consumption, achieving healthy weight-range and stopping smoking. Advice is informed by observational evidence, which is often biased by confounding. METHODS This study primarily used data from a pregnancy cohort, the Norwegian Mother, Father and Child Cohort Study. First, we conducted multivariable regression of health behaviours (alcohol and caffeine consumption, body-mass index (BMI), and smoking) on fertility outcomes (e.g. time to conception) and reproductive outcomes (e.g. age at first birth) (n = 84,075 females, 68,002 males), adjusting for birth year, education and attention-deficit and hyperactive-impulsive (ADHD) traits. Second, we used individual-level Mendelian randomisation (MR) to explore possible causal effects of health behaviours on fertility/reproductive outcomes (n = 63,376 females, 45,460 males). Finally, we performed summary-level MR for available outcomes in UK Biobank (n = 91,462-1,232,091) and controlled for education and ADHD liability using multivariable MR. RESULTS In multivariable regression analyses, higher BMI associated with fertility (longer time to conception, increased odds of infertility treatment and miscarriage), and smoking was associated with longer time to conception. In individual-level MR analyses, there was strong evidence for effects of smoking initiation and higher BMI on younger age at first birth, of higher BMI on increased time to conception, and weak evidence for effects of smoking initiation on increased time to conception. Age at first birth associations were replicated in summary-level MR analysis; however, effects attenuated using multivariable MR. CONCLUSIONS Smoking behaviour and BMI showed the most consistent associations for increased time to conception and a younger age at first birth. Given that age at first birth and time to conception are positively correlated, this suggests that the mechanisms for reproductive outcomes are distinct to the mechanisms acting on fertility outcomes. Multivariable MR suggested that effects on age at first birth might be explained by underlying liability to ADHD and education.
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Affiliation(s)
- Robyn E Wootton
- Nic Waals Institute, Lovisenberg Diaconal Hospital, Oslo, Norway.
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK.
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
- School of Psychological Science, University of Bristol, Bristol, UK.
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway.
| | - Rebecca B Lawn
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Maria C Magnus
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Jorien L Treur
- Department of Psychiatry, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Elizabeth C Corfield
- Nic Waals Institute, Lovisenberg Diaconal Hospital, Oslo, Norway
- Department of Mental Disorders, Norwegian Institute of Public Health, Oslo, Norway
| | - Pål R Njølstad
- Center for Diabetes Research, Department of Clinical Science, University of Bergen, Bergen, Norway
- Children and Youth Clinic, Haukeland University Hospital, Bergen, Norway
| | - Ole A Andreassen
- NORMENT Centre, Division of Mental Health and Addiction, Institute of Clinical Medicine, University of Oslo, Oslo University Hospital, Oslo, Norway
| | - Deborah A Lawlor
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Marcus R Munafò
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
- School of Psychological Science, University of Bristol, Bristol, UK
| | - Siri E Håberg
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | - George Davey Smith
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Ted Reichborn-Kjennerud
- Department of Mental Disorders, Norwegian Institute of Public Health, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Per Magnus
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Alexandra Havdahl
- Nic Waals Institute, Lovisenberg Diaconal Hospital, Oslo, Norway
- Department of Mental Disorders, Norwegian Institute of Public Health, Oslo, Norway
- Center for Genetic Epidemiology and Mental Health, Norwegian Institute of Public Health, Oslo, Norway
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16
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Gundimi S, Krishna Rao B, Bailey A, Kumar P, Nair V, Velingkar KR, Ramachandra P. Knowledge, attitudes, and practices toward exercises among women visiting an infertility clinic: A cross-sectional study. Health Care Women Int 2023; 44:473-486. [PMID: 35766486 DOI: 10.1080/07399332.2022.2091569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Globally, there is a rising prevalence of infertility, and it has a negative consequence on the quality of life of women. The researchers aimed to understand the knowledge, attitude, and practice of women with infertility toward exercises. A cross-sectional study was conducted on 332 women aged between 18 and 45 years attending an infertility clinic in a tertiary hospital in Southern India. Participants filled a self-developed, content validated, pilot-tested questionnaire. Informants perceived stress and weight gain to be the major causes of infertility. Exercise was believed to improve fertilization by 55.4% of the participants, and walking and yoga were the preferred mode of exercises.
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Affiliation(s)
- Shashwathi Gundimi
- Department of Physiotherapy, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Bhamini Krishna Rao
- Department of Physiotherapy, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Ajay Bailey
- Department of Human Geography and Spatial Planning, Utrecht University, Utrecht, The Netherlands
| | - Pratap Kumar
- Department of Reproductive Medicine and Surgery, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Vipin Nair
- Department of Data Science, Prasanna School of Public Health, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Kiransha R Velingkar
- Department of Physiotherapy, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Preetha Ramachandra
- Department of Physiotherapy, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, Karnataka, India
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Guo Y, Ma Y, Zhong W, Zhou L, Wan Y, Zhu H, Zhang R. Associations between seminal plasma triclosan and low sperm quality: A case-control study. Eur J Obstet Gynecol Reprod Biol 2023; 283:130-135. [PMID: 36848763 DOI: 10.1016/j.ejogrb.2023.02.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 02/07/2023] [Accepted: 02/18/2023] [Indexed: 02/25/2023]
Abstract
OBJECTIVE Triclosan (TCS), a novel endocrine disrupter, has induced widespread human exposure due to its widespread use in personal care products. Environmental TCS exposure was suggested to be associated with human semen quality. However, little is known about seminal plasma TCS concentration and the risk of low sperm quality. This case-control study is established to examine the relationship between seminal plasma TCS and the risk of low sperm quality. STUDY DESIGN One hundred men with low sperm quality as cases and one hundred normal men as controls were recruited a fertility clinic in Shijiazhuang, China, during 2018-2019. Seminal plasma TCS concentration was determined using an ultrahigh-performance liquid chromatography-tandem mass spectrometer (UPLC-MS/MS). Sperm concentration, sperm count, sperm motility and sperm progressive motility were evaluated according to World Health Organization (WHO) guidelines to assess the sperm quality. We used the Mann-Whitney rank-sum test and Kruskal-Wallis test to assess the differences of seminal plasma TCS concentration between the cases and the controls. In addition, logistic regression analysis was used to estimate the associations between seminal plasma TCS concentrations and low sperm quality risk adjusting for age, body mass index (BMI), abstinence time, smoking, and drinking RESULTS AND CONCLUSIONS: The level of seminal plasma TCS was observed slightly but not significantly higher in the case group than the control group. We also observed significant association between seminal plasma TCS concentrations and semen parameters in both control and case groups. Moreover, the seminal plasma TCS levels at the fourth quartile were found to be more likely to exhibit low sperm quality risk with increased adjusted odds ratios of 2.36 (95% confidence interval 1.03-5.39) compared to the first quartile. Our results reveal that seminal plasma TCS concentration was positively associated with low sperm quality risk.
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Affiliation(s)
- Yinsheng Guo
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, Guangdong, China.
| | - Yue Ma
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, Guangdong, China
| | - Weiqiang Zhong
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, 10 Xitoutiao, Youanmenwai, Beijing 100069, China
| | - Lixiao Zhou
- Institute of Environmental Health, Wuhan Centers for Disease Prevention & Control, Wuhan, Hubei 430024, China
| | - Yanjian Wan
- Institute of Environmental Health, Wuhan Centers for Disease Prevention & Control, Wuhan, Hubei 430024, China
| | - Huiping Zhu
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, 10 Xitoutiao, Youanmenwai, Beijing 100069, China.
| | - Rong Zhang
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang 050017, PR China; Hebei Key Laboratory of Environment and Human Health, Shijiazhuang 050017, PR China.
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18
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Cirillo M, Basile V, Mazzoli L, Coccia ME, Fatini C. Impact of COVID-19 Pandemic on Women's Health and Obstetric Outcomes after Assisted Reproduction: A Survey from an Italian Fertility Center. J Pers Med 2023; 13:jpm13030563. [PMID: 36983744 PMCID: PMC10059757 DOI: 10.3390/jpm13030563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
BACKGROUND the restrictive measures that were adopted during three waves of the COVID-19 pandemic had an impact on both the emotional state and lifestyle of the general population. We evaluated the impact of COVID-19 pandemic on lifestyles and emotional states of women planning assisted reproductive technology (ART), and whether these changes affected ART outcomes. METHODS quantitative research, using a web-based survey, was performed on 289 Caucasian women. RESULTS In preconception, we observed higher percentage of women with positive obstetric outcomes who reduced body weight (52.4% vs. 27.2%, p = 0.09). Over 60% of women with positive outcomes practiced physical activity vs. 47% of women with negative outcomes (p = 0.03), as well as having better quality of sleep (45% vs. 35%), and a more solid relationships with their partners (65.1% vs. 51.7%, p = 0.03). Women who increased their intake of whole grains, fruits, vegetables, and legumes (p < 0.05), according to the Mediterranean diet, showed positive outcomes. We observed that participants who experienced "very much" or "extreme" anxiety, sadness, and fear (p < 0.05) during pandemic were clearly more numerous in the group with negative pregnancy outcomes. CONCLUSIONS healthy lifestyle together with a positive emotional state in preconception can positively influence the obstetric outcomes after ART.
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Affiliation(s)
- Michela Cirillo
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
- Centre for Assisted Reproductive Technology, Division of Obstetrics and Gynaecology, Careggi University Hospital, 50134 Florence, Italy
| | - Valentina Basile
- Centre for Assisted Reproductive Technology, Division of Obstetrics and Gynaecology, Careggi University Hospital, 50134 Florence, Italy
| | - Letizia Mazzoli
- Centre for Assisted Reproductive Technology, Division of Obstetrics and Gynaecology, Careggi University Hospital, 50134 Florence, Italy
| | - Maria Elisabetta Coccia
- Centre for Assisted Reproductive Technology, Division of Obstetrics and Gynaecology, Careggi University Hospital, 50134 Florence, Italy
- Department of Clinical and Experimental Biomedical Sciences, University of Florence, 50134 Florence, Italy
| | - Cinzia Fatini
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
- Centre for Assisted Reproductive Technology, Division of Obstetrics and Gynaecology, Careggi University Hospital, 50134 Florence, Italy
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19
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Keenan K, Barclay K, Goisis A. Health outcomes of only children across the life course: An investigation using Swedish register data. POPULATION STUDIES 2023; 77:71-90. [PMID: 35102810 DOI: 10.1080/00324728.2021.2020886] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Only children (with no full biological siblings) are a growing subgroup in many high-income settings. Previous studies have largely focused on the short-term developmental outcomes of only children, but there is limited evidence on their health outcomes. Using Swedish population register data for cohorts born 1940-75, we compare the health of only children with that of children from multi-child sibling groups, taking into account birth order, family size, and presence of half-siblings. Only children showed lower height and fitness scores, were more likely to be overweight/obese in late adolescence, and experienced higher later-life mortality than those with one or two siblings. However, only children without half-siblings were consistently healthier than those with half-siblings, suggesting that parental disruption confers additional disadvantages. The health disadvantage was attenuated but not fully explained by adjustment for parental characteristics and after using within-family maternal cousin comparison designs.
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Affiliation(s)
| | - Kieron Barclay
- Max Planck Institute for Demographic Research.,Stockholm University.,Swedish Collegium for Advanced Study
| | - Alice Goisis
- Max Planck Institute for Demographic Research.,University College London
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Pfeffer TJ, List M, Schippert C, Auber B, Ricke-Hoch M, Abou-Moulig V, Berliner D, Bauersachs J, Hilfiker-Kleiner D. High prevalence of reduced fertility and use of assisted reproductive technology in a German cohort of patients with peripartum cardiomyopathy. Clin Res Cardiol 2023; 112:343-352. [PMID: 35562615 PMCID: PMC9998571 DOI: 10.1007/s00392-022-02034-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 05/02/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND Over the past decades the use of assisted reproduction technology (ART) increased worldwide. ARTs are associated with an elevated risk for cardiovascular complications. However, a potential relation between subfertility/ARTs and the heart disease peripartum cardiomyopathy (PPCM) has not been systematically analyzed yet. METHODS A retrospective cohort study was carried out, including n = 111 PPCM patients from the German PPCM registry. Data from PPCM patients were compared to those from postpartum women in the German general population. RESULTS The prevalence of reported subfertility was high among PPCM patients (30%; 33/111). Most of the subfertile PPCM patients (55%; 18/33) obtained vitro fertilizations (IVF) or intracytoplasmic sperm injections (ICSI). PPCM patients were older (p < 0.0001), the percentage of born infants conceived by IVF/ICSI was higher (p < 0.0001) with a higher multiple birth (p < 0.0001), C-section (p < 0.0001) and preeclampsia rate (p < 0.0001), compared to postpartum women. The cardiac outcome was comparable between subfertile and fertile PPCM patients. Whole exome sequencing in a subset of n = 15 subfertile PPCM patients revealed that 33% (5/15) carried pathogenic or likely pathogenic gene variants associated with cardiomyopathies and/or cancer predisposition syndrome. CONCLUSIONS Subfertility occurred frequently among PPCM patients and was associated with increased age, hormonal disorders, higher twin pregnancy rate and high prevalence of pathogenic gene variants suggesting a causal relationship between subfertility and PPCM. Although this study found no evidence that the ART treatment per se increases the risk for PPCM or the risk for an adverse outcome, women with subfertility should be closely monitored for signs of peripartum heart failure.
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Affiliation(s)
- Tobias J Pfeffer
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Manuel List
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Cordula Schippert
- Division of Reproductive Medicine, Department of Obstetrics and Gynecology, Hannover Medical School, Hannover, Germany
| | - Bernd Auber
- Department of Human Genetics, Hannover Medical School, Hannover, Germany
| | - Melanie Ricke-Hoch
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Valeska Abou-Moulig
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Dominik Berliner
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Johann Bauersachs
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Denise Hilfiker-Kleiner
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany. .,Institute of Cardiovascular Complications in Pregnancy and in Oncologic Therapies, Medical Faculty of the Philipps University Marburg, Baldingerstraße, 35032, Marburg, Germany.
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21
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Kumari S, Singh K, Tiwary B, Kumari S, Nishat H. Comprehensive Analysis of the Effect of Maternal and Paternal Demographics and Lifestyle Factors on the Embryo Quality and In Vitro Fertilization Outcomes: A Retrospective Study in North Eastern India. Cureus 2023; 15:e35546. [PMID: 37007407 PMCID: PMC10057698 DOI: 10.7759/cureus.35546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/24/2023] [Indexed: 03/03/2023] Open
Abstract
Background Lifestyle habits and demographic characteristics are strongly associated with sperm and oocyte quality and are important co-variates in fertility. However, their effect on the pre-implantation embryo quality in in vitro fertilization (IVF) has not been explored widely. The present retrospective study aimed to explore the effect of maternal and paternal demographic and lifestyle factors on the pre-implantation embryo quality in IVF. Methodology Women in the age group of 21 to 40 years undergoing IVF (n=105) in the Department of Reproductive Medicine, Indira Gandhi Institute of Medical Sciences, Patna, Bihar, and their partners were recruited in the study. Maternal and paternal charts were reviewed, and the demographic, lifestyle habit related data, and data related to oocyte retrieval, oocyte quality, and embryo quality were retrieved in a predesigned spreadsheet. Appropriate statistical analysis was conducted using SPSS Version 21 to evaluate the association of the studied maternal and paternal factors with oocyte and embryo quality. P-values less than 0.05 were considered to be significant. Results Maternal factors such as tubal blockage (p=0.02) and residence in an industrial locality (p=0.001) were found to be significantly associated with the quality of oocytes. None of the maternal factors studied were associated with embryo quality; however, day 3 and day 5 embryo quality was significantly associated with educational status of the male partners (p=0.02), smoking (p=0.05), and chewing tobacco (p=0.01). Day 5 embryo quality was also associated with residence in an industrial locality of the male partners (p=0.04). Conclusions Paternal lifestyle habits such as smoking, chewing tobacco, and demographic characteristics such as education and proximity to an industrial area were all related to poor embryo quality. Maternal factors such as tubal blockage and residence of industrial locality were found to be significantly associated with the quality of oocytes.
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22
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Diabetes-Induced Autophagy Dysregulation Engenders Testicular Impairment via Oxidative Stress. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:4365895. [PMID: 36778206 PMCID: PMC9918358 DOI: 10.1155/2023/4365895] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 11/01/2022] [Accepted: 11/24/2022] [Indexed: 02/05/2023]
Abstract
Testes produce sperms, and gamete generation relies on a proper niche environment. The disruption of hierarchical regulatory homeostasis in Leydig or Sertoli cells may evoke a sterile phenotype in humans. In this study, we recapitulated type 2 diabetes mellitus by using a high-fat diet- (HFD-) fed mouse model to identify the phenotype and potential mechanism of diabetes-induced testicular impairment. At the end of the study, blood glucose levels, testosterone structure, testicular antioxidant capacity, and testosterone level and the expression of hypoxia-inducible factor- (HIF-) 1α, apoptosis-related protein cleaved-caspase3, and autophagy-related proteins such as LC3I/II, p62, and Beclin1 were evaluated. We found that long-term HFD treatment causes the development of diabetes mellitus, implicating increased serum glucose level, cell apoptosis, and testicular atrophy (P < 0.05 vs. Ctrl). Mechanistically, the results showed enhanced expression of HIF-1α in both Sertoli and Leydig cells (P < 0.05 vs. Ctrl). Advanced glycation end products (AGEs) were demonstrated to be a potential factor leading to HIF-1α upregulation in both cell types. In Sertoli cells, high glucose treatment had minor effects on Sertoli cell autophagy. However, AGE treatment stagnated the autophagy flux and escalated cell apoptosis (P < 0.05 vs. Ctrl+Ctrl). In Leydig cells, high glucose treatment was adequate to encumber autophagy induction and enhance oxidative stress. Similarly, AGE treatment facilitated HIF-1α expression and hampered testosterone production (P < 0.05 vs. Ctrl+Ctrl). Overall, these findings highlight the dual effects of diabetes on autophagy regulation in Sertoli and Leydig cells while imposing oxidative stress in both cell types. Furthermore, the upregulation of HIF-1α, which could be triggered by AGE treatment, may negatively affect both cell types. Together, these findings will help us further understand the molecular mechanism of diabetes-induced autophagy dysregulation and testicular impairment, enriching the content of male reproductive biology in diabetic patients.
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23
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Deepak Kumar K, Huntriss R, Green E, Bora S, Pettitt C. Development of a nutrition screening tool to identify need for dietetic intervention in female infertility. J Hum Nutr Diet 2023; 36:154-168. [PMID: 35762584 PMCID: PMC10087620 DOI: 10.1111/jhn.13055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 06/11/2022] [Accepted: 06/13/2022] [Indexed: 01/19/2023]
Abstract
BACKGROUND One in seven couples are impacted by infertility in the UK, and female infertility is often associated with several health conditions impacted by nutrition. Despite many studies aimed at identifying the critical role of nutrition in infertility, there is currently no screening tool that identifies nutritional risk factors for infertility. AIM To propose a self-administered screening tool to identify women who would benefit from nutritional intervention to promote fertility. METHODS A narrative review was carried out to identify and summarise modifiable nutritional risk factors that can influence female fertility, including comorbidities that can influence nutrition intake, absorption, and metabolism. KEY FINDINGS A nutrition screening tool outlining modifiable nutrition risk factors potentially improving female fertility has been proposed, comprising of BMI, medical history and quality of diet and lifestyle which would aid in designing evidence based dietetic services for female infertility.
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Affiliation(s)
| | | | | | | | - Claire Pettitt
- Nutrition and Dietetic Research Group, Faculty of Medicine, Imperial College London, UK
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24
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Harris BS, Steiner AZ, Faurot KR, Long A, Jukic AM. Systemic inflammation and menstrual cycle length in a prospective cohort study. Am J Obstet Gynecol 2023; 228:215.e1-215.e17. [PMID: 36244407 PMCID: PMC9877159 DOI: 10.1016/j.ajog.2022.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 10/02/2022] [Accepted: 10/08/2022] [Indexed: 01/29/2023]
Abstract
BACKGROUND Local inflammation plays an important role in normal folliculogenesis and ovulation, and conditions of chronic systemic inflammation, such as obesity and polycystic ovarian syndrome, can disrupt normal follicular dynamics. OBJECTIVE This study aimed to determine the association between systemic inflammation, as measured by C-reactive protein levels, and menstrual cycle length. STUDY DESIGN This study was a secondary analysis using data from Time to Conceive, a prospective time-to-pregnancy cohort study. The association between cycle length and C-reactive protein was analyzed using multivariable linear mixed and marginal models adjusted for age, race, education, body mass index, time since oral contraceptive use, alcohol, smoking, caffeine consumption, and exercise. Time to Conceive enrolled women aged 30 to 44 years with no history of infertility who were attempting to conceive for <3 months. Serum C-reactive protein levels were measured on cycle day 2, 3, or 4. Participants recorded daily menstrual cycle data for ≤4 months. RESULTS Main outcome measures included menstrual cycle length and follicular and luteal phase lengths. Multivariable analysis included 1409 cycles from 414 women. There was no linear association between C-reactive protein levels and menstrual cycle length. However, compared with <1 mg/L, a C-reactive protein level >10 mg/L was associated with >3 times the odds (adjusted odds ratio, 3.7; 95% confidence interval, 1.67-8.11) of long cycles (defined as ≥35 days). When evaluating follicular phase length, a C-reactive protein level of >10 mg/L was associated both with follicular phases that were 1.7 (95% confidence interval, 0.23-3.09) days longer and with >2 times the odds of a long follicular phase (adjusted odds ratio, 2.2; 95% confidence interval, 1.05-4.74). CONCLUSION There is a potential pathophysiological association between systemic inflammation and menstrual cycle changes. Further studies are needed to determine if systemic inflammation alters the menstrual cycle or if long menstrual cycles are a marker for elevated systemic inflammation.
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Affiliation(s)
- Benjamin S Harris
- Division of Reproductive Endocrinology and Infertility, Duke University Medical Center, Durham, NC.
| | - Anne Z Steiner
- Division of Reproductive Endocrinology and Infertility, Duke University Medical Center, Durham, NC
| | - Keturah R Faurot
- Department of Physical Medicine and Rehabilitation, The University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Anneliese Long
- Department of Anthropology, The University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Anne Marie Jukic
- Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC
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25
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Singh V, Rajpal G, Majumdar S, Mandal S, Sahu R. Awareness, knowledge, and psycho-emotional aspect of infertility among women seeking fertility assistance at a tertiary care hospital in Chhattisgarh, a cross-sectional study. JOURNAL OF EDUCATION AND HEALTH PROMOTION 2023; 12:3. [PMID: 37034877 PMCID: PMC10079196 DOI: 10.4103/jehp.jehp_581_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 07/21/2022] [Indexed: 06/19/2023]
Abstract
BACKGROUND The lack of fundamental knowledge and awareness about the biological process of reproduction is low worldwide but has reportedly higher incidence rates in under-developed countries. Infertility can have a tremendous effect on a woman's psychological and social well-being, pushing her toward mental stress, anxiety, depression self-blame, self-isolation, feeling of worthlessness, and lack of interest in life. The present study was conducted to determine the level of knowledge and awareness regarding factors affecting fertility and also to ascertain the emotional status of females visiting the Obstetrics and Gynecology out-patient department for fertility assistance. MATERIALS AND METHODS A cross-sectional study was performed by using a questionnaire which had two parts; the first part had questions about awareness and knowledge of the subject of infertility, and the second part had 12 questions that assessed the psychological and emotional status of the participants, and it also explored prevailing myths about infertility based on a validated questionnaire. RESULTS There was a significant difference in mean knowledge score; those who were more educated had better knowledge of various aspects of infertility. The overall adequacy for knowledge and awareness revealed that only 62 (47.7%) of the participants had adequate knowledge (score >6) regarding female infertility. The mean score for knowledge among all the respondents was 6.61 ± 1.48. The overall emotional and psychological score suggested that 30 (23%) of the respondents were disturbed because of stress because of infertility. CONCLUSION Infertility can have a serious impact on the psychological well-being of females, and social pressure and stigma associated with childlessness can further worsen the physical and emotional well-being of couples, which needs to be addressed before starting treatment of infertility for a better response to treatment. The limited knowledge and prevailing mis-conceptions regarding infertility need to be sincerely dealt with to complement the medical treatment of infertility.
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Affiliation(s)
- Vinita Singh
- Department of OBGY, AIIMS, Raipur, Chhattisgarh, India
| | - Gitika Rajpal
- Department of OBGY, AIIMS, Raipur, Chhattisgarh, India
| | | | | | - Rajshree Sahu
- Department of OBGY, AIIMS, Raipur, Chhattisgarh, India
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26
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Roach AN, Zimmel KN, Thomas KN, Basel A, Bhadsavle SS, Golding MC. Preconception paternal alcohol exposure decreases IVF embryo survival and pregnancy success rates in a mouse model. Mol Hum Reprod 2023; 29:gaad002. [PMID: 36637195 PMCID: PMC9907225 DOI: 10.1093/molehr/gaad002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/22/2022] [Indexed: 01/14/2023] Open
Abstract
Increasingly, couples struggling with fertility turn to assisted reproductive techniques, including IVF, to have children. Despite the demonstrated influence of periconception male health and lifestyle choices on offspring development, studies examining IVF success rates and child health outcomes remain exclusively focused on maternal factors. Using a physiologically relevant mouse model, we tested the hypothesis that chronic paternal preconception alcohol intake adversely affects IVF success and negatively impacts IVF offspring fetoplacental growth. Using a voluntary, binge-like mouse model, we exposed sexually mature C57BL/6J males to three preconception treatments (0% (Control), 6% EtOH or 10% EtOH) for 6 weeks, isolated and cryopreserved caudal sperm from treated males, and then used these samples to fertilize oocytes before assessing IVF embryo developmental outcomes. We found that preconception paternal alcohol use reduced IVF embryo survival and pregnancy success rates in a dose-dependent manner, with the pregnancy success rate of the 10% EtOH treatment falling to half those of the Controls. Mechanistically, we found that preconception paternal alcohol exposure disrupts embryonic gene expression, including Fgf4 and Egfr, two critical regulators of trophectoderm stem cell growth and placental patterning, with lasting impacts on the histological organization of the late-term placenta. The changes in placental histoarchitecture were accompanied by altered regulation of pathways controlling mitochondrial function, oxidative phosphorylation and some imprinted genes. Our studies indicate that male alcohol use may significantly impede IVF success rates, increasing the couple's financial burden and emotional stress, and highlights the need to expand prepregnancy messaging to emphasize the reproductive dangers of alcohol use by both parents.
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Affiliation(s)
- Alexis N Roach
- Department of Veterinary Physiology & Pharmacology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Katherine N Zimmel
- Department of Veterinary Physiology & Pharmacology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Kara N Thomas
- Department of Veterinary Physiology & Pharmacology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Alison Basel
- Department of Veterinary Physiology & Pharmacology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Sanat S Bhadsavle
- Department of Veterinary Physiology & Pharmacology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
| | - Michael C Golding
- Department of Veterinary Physiology & Pharmacology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
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Keller E, Botha W, Chambers GM. Does in vitro fertilization (IVF) treatment provide good value for money? A cost-benefit analysis. Front Glob Womens Health 2023; 4:971553. [PMID: 36937042 PMCID: PMC10014591 DOI: 10.3389/fgwh.2023.971553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 01/30/2023] [Indexed: 03/05/2023] Open
Abstract
Background Using traditional health technology assessment (HTA) outcome metrics, such as quality-adjusted life-years, to assess fertility treatments raises considerable methodological challenges because the objective of fertility treatments is to create new life rather than extend, save, or improve health-related quality of life. Objective The aim of this study was to develop a novel cost-benefit framework to assess value for money of publicly funded IVF treatment; to determine the number of cost-beneficial treatment cycles for women of different ages; and to perform an incremental cost-benefit analysis from a taxpayer perspective. Methods We developed a Markov model to determine the net monetary benefit (NMB) of IVF treatment by female age and number of cycles performed. IVF treatment outcomes were monetized using taxpayers' willingness-to-pay values derived from a discrete choice experiment (DCE). Using the current funding environment as the comparator, we performed an incremental analysis of only funding cost-beneficial cycles. Similar outputs to cost-effectiveness analyses were generated, including net-benefit acceptability curves and cost-benefit planes. We created an interactive online app to provide a detailed and transparent presentation of the results. Results The results suggest that at least five publicly funded IVF cycles are cost-beneficial in women aged <42 years. Cost-benefit planes suggest a strong taxpayer preference for restricting funding to cost-beneficial cycles over current funding arrangements in Australia from an economic perspective. Conclusions The provision of fertility treatment is valued highly by taxpayers. This novel cost-benefit method overcomes several challenges of conventional cost-effectiveness methods and provides an exemplar for incorporating DCE results into HTA. The results offer new evidence to inform discussions about treatment funding arrangements.
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28
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Li Q, Gong M, Shen J, Jin X, Mu Y, Xia L, Cheng J, Xia Y. The transcriptome expression levels related to ovulation induction and acupuncture protection therapy in rats through gene microarray. ALL LIFE 2022. [DOI: 10.1080/26895293.2022.2117245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Affiliation(s)
- Qian Li
- Key Laboratory of Acupuncture and Medicine Research of Minister of Education, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Meirong Gong
- Key Laboratory of Acupuncture and Medicine Research of Minister of Education, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Jie Shen
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Xun Jin
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Yanyun Mu
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Liangjun Xia
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Jie Cheng
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Youbing Xia
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
- The Affiliated Hospital, School of medical information & engineering of Xuzhou Medical University, Xuzhou, People’s Republic of China
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29
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Keller E, Chambers GM. Valuing infertility treatment: Why QALYs are inadequate, and an alternative approach to cost-effectiveness thresholds. FRONTIERS IN MEDICAL TECHNOLOGY 2022; 4:1053719. [PMID: 36619344 PMCID: PMC9822722 DOI: 10.3389/fmedt.2022.1053719] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 11/28/2022] [Indexed: 12/24/2022] Open
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30
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Pedro J, Fernandes J, Schmidt L, Costa ME, Martins MV. Mapping intentions to adopt fertility protective behaviours: the role of couple congruence and the importance of relationship and fertility awareness. HUM FERTIL 2022; 25:993-1002. [PMID: 34348572 DOI: 10.1080/14647273.2021.1960436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Several studies worldwide have shown that reproductive-aged people often have inadequate fertility awareness (FA). Since attitudes and health behaviours are influenced by the partner, there is a need for studies exploring the role of these influences on the individuals' adoption of fertility protective behaviours (FPB). This study explores the role of FA and relationship quality on couples' intention to adopt FPB. One hundred and twelve childless couples answered an online questionnaire about reproductive life plan, FA and intentions to adopt FPB. The results showed that couples were moderately congruent on their reproductive life plan. The female partners who reported higher female relationship quality and higher female willingness to undergo fertility treatments were more willing to adopt FPB. The male partners who had heightened FA also reported higher intention to adopt FPB. The influences of male and female FA, relationship quality and congruence on reproductive life plan were neither associated with couples' congruence on the intention to adopt FPB. Although the cross-sectional design restricts our ability to draw causal conclusions, these findings emphasize that future interventions should be targeted at couples and designed according to their expectations and reproductive desires.
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Affiliation(s)
- Juliana Pedro
- Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal.,Centre for Psychology, University of Porto, Porto, Portugal.,Centre for Reproductive Genetics A. Barros, Porto, Portugal
| | - Joana Fernandes
- Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal
| | - Lone Schmidt
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Maria E Costa
- Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal.,Centre for Psychology, University of Porto, Porto, Portugal
| | - Mariana V Martins
- Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal.,Centre for Psychology, University of Porto, Porto, Portugal
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31
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Martins MV, Fernandes J, Pedro J, Barros A, Xavier P, Schmidt L, Costa ME. Effects of trying to conceive using an every-other-day strategy versus fertile window monitoring on stress: a 12-month randomized controlled trial. Hum Reprod 2022; 37:2845-2855. [PMID: 36272105 DOI: 10.1093/humrep/deac228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 09/23/2022] [Indexed: 12/14/2022] Open
Abstract
STUDY QUESTION Can animation videos on how to optimize the chances of pregnancy influence stress, anxiety, depression and sexual functioning of individuals trying to conceive (TTC)? SUMMARY ANSWER There were no differences between those educated to have intercourse every other day, on the fertile window and a control group (CG), and depression and sexual dysfunction significantly increased over time for all arms. WHAT IS KNOWN ALREADY Recent findings indicate that time to pregnancy can be significantly shortened by targeting the fertile period, but some reproductive care guidelines recommend instead the practice of intercourse every other day on the basis that it is less stressful to the couple. Evidence to support guidelines on how to preserve well-being and psychosocial adjustment and optimize pregnancy chances is lacking. STUDY DESIGN, SIZE, DURATION We conducted a prospective, double-blinded, three-arm randomized controlled trial between July 2016 and November 2019. Participants were randomized to either not having any stimulus (CG) or visualizing a short animated video explaining how to improve chances of pregnancy by having intercourse every other day (EOD group), or by monitoring the fertile window (FWM group). Assessments were made before the intervention (T0), and 6 weeks (T1), 6 months (T2) and 12 months after (T3), with follow-ups censored in case of pregnancy. PARTICIPANTS/MATERIALS, SETTING, METHODS Participants were childless individuals of reproductive age actively TTC and not diagnosed or unaware of a condition that could prevent spontaneous pregnancy. Individuals were excluded from recruitment if they had previous children or had a condition preventing spontaneous pregnancy. Our primary outcome was stress and secondary outcomes included anxiety, depression, sexual functioning and pregnancy. Primary analyses were performed according to intention-to-treat principle. MAIN RESULTS AND THE ROLE OF CHANCE Of the 450 randomized participants 127 were educated to use an every-other-day strategy, 135 to monitor the fertile window, and 134 received no intervention. Groups were similar regarding demographics and months TTC. Repeated measures analysis revealed that there were no significant interaction effects of psychological and sexual well-being between groups over time (P > 0.05). Significant time effects were revealed for stress (F(3,855) = 4.94, P < 0.01), depression (F(3,855) = 14.22, P < 0.01) and sexual functioning (time effects P values <0.001 for female sexual functioning dimensions and <0.002 for male dimensions), but not for anxiety (F(2,299) = 0.51, P > 0.05). Stress levels lowered after 6 months (P < 0.001) and returned to baseline levels at the 1-year follow-up. Depressive symptomatology significantly increased at 6 weeks (P = 0.023), and again 1 year after (P = 0.001). There were also significant decreases in all female sexual functioning dimensions (desire, satisfaction, arousal, pain, orgasm and lubrication). In men, there were significant variations in orgasm, intercourse satisfaction and erectile function, but not desire and sexual satisfaction. Revealed pregnancy rates were 16% for participants in the EOD group, 30% for the FWM group and 20% for the CG. Pregnancies were not significantly different between arms: EOD vs FWM (odds ratio (OR) 2.32; 95% CI 0.92-5.83); EOD vs CG (OR 0.74; 95% CI 0.30-1.87); and FWM vs CG (OR 1.71; 95% CI 0.70-4.18). LIMITATIONS, REASONS FOR CAUTION Participants were recruited after transitioning to procreative sex. The study might be prone to bias as almost 30% of our sample fulfilled the chronological criterion for infertility, and other reproductive strategies could have been tried over time before recruitment. WIDER IMPLICATIONS OF THE FINDINGS Our data suggest that stress does not arise from feeling pressured on the fertile period and that advice on timing of intercourse might have to be personalized. The increasing levels of depression and sexual dysfunction over a year emphasize the crucial role of preconception care and fertility counseling in promoting psychological and sexual well-being. STUDY FUNDING/COMPETING INTEREST(S) This work was supported by European Union Funds (FEDER/COMPETE-Operational Competitiveness Programme) and by national funds (FCT-Portuguese Foundation for Science and Technology) under the projects PTDC/MHC-PSC/4195/2012 and SFRH/BPD/85789/2012. TRIAL REGISTRATION NUMBER NCT02814006. TRIAL REGISTRATION DATE 27 June 2016. DATE OF FIRST PATIENT’S ENROLLMENT 19 July 2016.
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Affiliation(s)
- Mariana V Martins
- Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal.,Centre for Psychology at University of Porto, Porto, Portugal
| | - Joana Fernandes
- Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal.,Centre for Psychology at University of Porto, Porto, Portugal
| | - Juliana Pedro
- Centre for Psychology at University of Porto, Porto, Portugal.,Centre for Reproductive Genetics A. Barros, Porto, Portugal
| | - Alberto Barros
- Centre for Reproductive Genetics A. Barros, Porto, Portugal.,Department of Genetics, Faculty of Medicine, University of Porto, Institute of Health Research and Innovation I3S, Porto, Portugal
| | - Pedro Xavier
- Centre for Reproductive Genetics A. Barros, Porto, Portugal.,Department of Gynaecology and Obstetrics, São João Hospital, University of Porto, Porto, Portugal
| | - Lone Schmidt
- Department of Public Health, University of Copenhagen, Copenhagen K, Denmark
| | - Maria E Costa
- Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal.,Centre for Psychology at University of Porto, Porto, Portugal
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Rao W, Li Y, Li N, Yao Q, Li Y. The association between caffeine and alcohol consumption and IVF/ICSI outcomes: A systematic review and dose-response meta-analysis. Acta Obstet Gynecol Scand 2022; 101:1351-1363. [PMID: 36259227 PMCID: PMC9812114 DOI: 10.1111/aogs.14464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 09/10/2022] [Accepted: 09/14/2022] [Indexed: 01/07/2023]
Abstract
INTRODUCTION The objective of this study was to evaluate the association between caffeine and alcohol consumption and in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI) outcomes. MATERIAL AND METHODS The protocol was registered in the PROSPERO database on May 23, 2021 (registration number: CRD42021256649), and updated on August 4, 2022. Two researchers performed a literature search in the PubMed, Embase, and MEDLINE databases for articles published before July 15, 2022 independently. Studies investigating the association between caffeine and alcohol consumption and IVF/ICSI outcomes were included, and studies reporting the consumption amount were analyzed using a one-stage robust error meta-regression-based method to explore potential dose-response relation. Funnel plot was used to assess publication bias if more than 10 studies were included. RESULTS Twelve studies on caffeine consumption and 14 studies on alcohol consumption were included in the systematic review, of which seven and nine were eligible for the meta-analysis. These studies included 26 922 women and/or their spouses who underwent IVF/ICSI treatment. Women's and men's caffeine consumption was not significantly associated with the pregnancy rate (odds ratio [OR] 0.97, 95% confidence interval [CI] 0.85-1.12; OR 0.93, 95% CI 0.75-1.14; respectively) and the live birth rate (OR 0.98, 95% CI 0.89-1.08; OR 0.98, 95% CI 0.86-1.12; respectively) of IVF/ICSI. Maternal alcohol consumption was negatively associated with pregnancy after IVF/ICSI treatment (OR 0.83, 95% CI 0.69-1.01). Paternal alcohol consumption was negatively associated with partner's live birth after IVF/ICSI treatment (OR 0.88, 95% CI 0.79-0.99). Compared with abstainers, the chance of achieving a pregnancy after IVF/ICSI treatment decreased by 7% for women who consumed 84 g alcohol per week (OR 0.93, 95% CI 0.90-0.98), and the chance of partners achieving a live birth decreased by 9% for men who consumed 84 g alcohol per week (OR 0.91, 95% CI 0.88-0.94). CONCLUSIONS There was no association between caffeine consumption and pregnancy or live birth rate of IVF/ICSI. Women's alcohol consumption was associated with decreased pregnancy rate after IVF/ICSI treatment when weekly consumption was greater than 84 g. Men's alcohol consumption was associated with decreased live birth rate after IVF/ICSI treatment when weekly consumption was greater than 84 g.
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Affiliation(s)
- Wentao Rao
- Huazhong University of Science and TechnologyTongji Medical College, Tongji Hospital, Reproductive Medicine CenterWuhanChina
| | - Yuying Li
- Huazhong University of Science and TechnologyTongji Medical College, Tongji Hospital, Reproductive Medicine CenterWuhanChina
| | - Nijie Li
- Huazhong University of Science and TechnologyTongji Medical College, Tongji Hospital, Reproductive Medicine CenterWuhanChina
| | - Qingyun Yao
- Huazhong University of Science and TechnologyTongji Medical College, Tongji Hospital, Reproductive Medicine CenterWuhanChina
| | - Yufeng Li
- Huazhong University of Science and TechnologyTongji Medical College, Tongji Hospital, Reproductive Medicine CenterWuhanChina
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Xu J, Li X, Zhou Q. Nationwide-free preconception care strategy: Experience from China. Front Public Health 2022; 10:934983. [PMID: 36339191 PMCID: PMC9626826 DOI: 10.3389/fpubh.2022.934983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 09/23/2022] [Indexed: 01/25/2023] Open
Abstract
Preconception care has emerged as a developing field in maternal and child healthcare worldwide. This care type provides couples of reproductive age with the opportunity for early detection and management of biomedical, behavioral, and social health problems. In 2010, the Chinese government launched a nationwide preconception care program as a welfare project. During the past decade, this project has received international attention, and experiences from the project have been published in the literature. In this review, we summarize the history, implementation, and evaluation of preconception care services in China, and its related maternal and children's health service initiatives, to thereby provide knowledge for policymakers and clinicians in other countries.
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Affiliation(s)
- Jinghui Xu
- Department of Obstetrics, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Xiaotian Li
- Department of Obstetrics, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, China
- Institutes of Biochemical Sciences, Fudan University, Shanghai, China
| | - Qiongjie Zhou
- Department of Obstetrics, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine-Related Diseases, Shanghai, China
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Neamtiu IA, Surcel M, Begum TF, Gurzau ES, Berindan-Neagoe I, Braicu C, Rotar I, Muresan D, Bloom MS. Specific lifestyle factors and in vitro fertilization outcomes in Romanian women: a pilot study. PeerJ 2022; 10:e14189. [PMID: 36213505 PMCID: PMC9541609 DOI: 10.7717/peerj.14189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 09/14/2022] [Indexed: 01/24/2023] Open
Abstract
Background Infertility is an important health concern worldwide. Although lifestyle habits and behaviors have been widely reported as predictors of IVF outcomes by previous studies, they have not been reported for Romanian women undergoing IVF. In this regard, our pilot study aimed to begin to address the data gap by assessing lifestyle predictors of in vitro fertilization (IVF) outcomes in Romanian women. Study design Our pilot study included 35 participants who completed a first IVF cycle at a single infertility center. We evaluated individual self-reported lifestyle habits and behaviors as predictors of IVF outcomes, and employed principal component analysis (PCA) to characterize multiple lifestyle habits and behaviors into personal care product (PCP) use, and healthy diet and physical activity patterns as predictors of IVF outcomes. Results Our PCA analysis showed that greater use of PCPs was associated with lower probabilities of pregnancy (RR: 0.92, 95% CI [0.87-0.98]) and live birth (RR: 0.94, 95% CI [0.88-1.01]) while, the healthy dietary habits and physical activity were associated with a higher likelihood of pregnancy, although without statistical significance (RR: 1.10, 95% CI [0.93-1.30]). Conclusions In this pilot study we identified associations between IVF outcomes among Romanian women and certain lifestyle habits and behaviors including stress, diet and physical activity, and certain PCP use. We also estimated the joint effects of multiple lifestyle factors using PCA and found that PCP use, healthy dietary habits and physical activity were associated with IVF outcomes.
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Affiliation(s)
- Iulia A. Neamtiu
- Health Department, Environmental Health Center, Cluj-Napoca, Romania,Faculty of Environmental Science and Engineering, Babes-Bolyai University, Cluj-Napoca, Romania
| | - Mihai Surcel
- 1st Obstetrics and Gynaecology Department, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Thoin F. Begum
- Department of Environmental Health Sciences, University at Albany, State University of New York, Rensselaer, New York, United States
| | - Eugen S. Gurzau
- Health Department, Environmental Health Center, Cluj-Napoca, Romania,Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Ioana Berindan-Neagoe
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Cornelia Braicu
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Ioana Rotar
- 1st Obstetrics and Gynaecology Department, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Daniel Muresan
- 1st Obstetrics and Gynaecology Department, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Michael S. Bloom
- Department of Global and Community Health, George Mason University, Fairfax, Virginia, United States
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Investigating the relationship between body composition, lifestyle factors, and anti-Müllerian hormone serum levels in women undergoing infertility assessment. Ir J Med Sci 2022:10.1007/s11845-022-03148-x. [PMID: 36114934 DOI: 10.1007/s11845-022-03148-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 09/01/2022] [Indexed: 01/09/2023]
Abstract
BACKGROUND The impact of lifestyle factors such as adiposity, smoking, stress, exercise, and nutrition on anti-Müllerian hormone (AMH) levels remains an unresolved question. AIMS This study aims to examine the anthropometric and lifestyle characteristics of women undergoing infertility investigations and to examine the relationship between serum AMH levels and body fat percentage, body mass index (BMI), and lifestyle factors including smoking, alcohol intake, nutrition, exercise, and stress. METHODS Only women undergoing infertility investigations were included in the study. Those with a diagnosis of polycystic ovary syndrome (PCOS) were excluded. Body fat percentage was measured using the Tanita Body Composition Monitor and BMI calculated. Lifestyle factors were evaluated using the Simple Lifestyle Indicator Questionnaire (SLIQ). RESULTS Ninety-six women took part in the study. Of these, 35.4% (n = 34) were obese, and 28.1% (n = 27) were overweight according to their BMI. According to body fat percentage, 47.9% (n = 46) were classified as obese. An "unhealthy " SLIQ score was measured in 25% (n = 24) of participating women. There was no relationship between AMH and anthropometric or lifestyle factors, namely, body fat percentage (B = - 0.11, p = 0.76), BMI (B = - 0.14, p = 0.76), smoking [currents smokers (B = - 1.86, p = 0.56), ex-smoker (B = 3.07, p = 0.41)], SLIQ score (B = 0.1.96, p = 0.29), stress (B = 0.12, p = 0.96), exercise (B = - 0.94, p = 0.77), alcohol (B = - 0.94, p = 0.77), or nutrition (B = - 3.14, p = 2.44). CONCLUSIONS Body fat percentage, BMI, lifestyle choices, and high stress levels do not correlate with AMH levels in women seeking infertility investigations. We identified a high incidence of obesity and low levels of healthy lifestyle scores in our study population. Our study highlights the urgent need for patient education and optimization of pre-pregnancy health.
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Enebeli B, Nwangwa EK, Nwogueze BC, Nzenegu A, Agbonifo-Chijiokwu E, Omeru O, Ebuwa EI. In Vivo Attenuation of Alcohol- and Cadmium Chloride-Induced Testicular Toxicity Modulated by Silymarin in Male Wistar Rat. Biol Trace Elem Res 2022; 200:3666-3676. [PMID: 34761358 DOI: 10.1007/s12011-021-02944-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 09/28/2021] [Indexed: 10/19/2022]
Abstract
The aim of the study is to investigate the in vivo attenuation of alcohol- and cadmium chloride-induced testicular toxicity modulated by Silymarin in male Wistar rats. A total of fifty-six (56) Wistar rats were used for this study and they were randomized into seven (7) groups of eight (8) rats each. Group 1 was control rats; Groups 2-7 served as the experimental groups. After 6 weeks treatment duration, the rats were euthanized, semen was collected for semen analysis, blood samples for testosterone, and FSH and LH assay determination, and left testes was harvested for histological analysis. One-way ANOVA was used to compare means at p-level < 0.05 was considered significant. Findings from this study have shown that alcohol and cadmium chloride adversely affected semen parameters, testosterone, and FSH and LH hormone milieu. Data also showed that Silymarin administration attenuated the adverse effect of alcohol and cadmium chloride on semen quality and hormones associated with reproductive functions. Hence, Silymarin mopped the effect of in vivo attenuation of alcohol and cadmium chloride testicular damage. The findings of this study have further established that alcohol and cadmium chloride adversely affected semen parameters, testicular alterations, and serum hormonal milieu. However, the effect was more significantly deleterious in rats exposed to cadmium chloride when compared to rats exposed to alcohol, subsequently alcohol- and cadmium chloride-induced degeneration of testicular tissues. Furthermore, Silymarin administration attenuated the adverse effect of alcohol on semen quality and hormones associated with reproductive functions.
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Affiliation(s)
- Blessing Enebeli
- Department of Human Physiology, Faculty of Basic Medical Sciences, Delta State University, Abraka, Delta State, Nigeria
| | - Eze Kingsley Nwangwa
- Department of Human Physiology, Faculty of Basic Medical Sciences, Delta State University, Abraka, Delta State, Nigeria
| | | | - Augustina Nzenegu
- Department of Human Physiology, Faculty of Basic Medical Sciences, Delta State University, Abraka, Delta State, Nigeria
| | - Ejime Agbonifo-Chijiokwu
- Department of Human Physiology, Faculty of Basic Medical Sciences, Delta State University, Abraka, Delta State, Nigeria
| | - Oghenerukevwe Omeru
- Department of Human Physiology, Faculty of Basic Medical Sciences, Delta State University, Abraka, Delta State, Nigeria
| | - Emmanuel Ikemefune Ebuwa
- Department of Human Physiology, Faculty of Basic Medical Sciences, Delta State University, Abraka, Delta State, Nigeria
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Hong X, Yin J, Wang W, Zhao F, Yu H, Wang B. The current situation and future directions for the study on time-to-pregnancy: a scoping review. Reprod Health 2022; 19:150. [PMID: 35752834 PMCID: PMC9233796 DOI: 10.1186/s12978-022-01450-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 05/28/2022] [Indexed: 02/07/2023] Open
Abstract
Introduction As problems associated with infertility and population aging increase, there is a growing interest in the factors that cause a decline in human fertility. Time-to-pregnancy (TTP) is a good indicator with which to reflect human fecundability. Here, we present a comprehensive overview of this topic. Methods Relevant qualitative and quantitative studies were identified by searching the Web of science and PubMed electronic databases. We included all literature, written in English, from inception to the 10th April 2021 providing the focus was on TTP. We conducted a narrative synthesis using thematic analysis. Results Traditional TTP-related study protocols include prospective and retrospective cohorts that provide a wealth of data to reveal potential influences on TTP. Thus far, a variety of factors have been shown to be associated with TTP in couples preparing for pregnancy, including basic demographic characteristics, menstrual status, chronic disease status, environmental endocrine disruptor exposure, and lifestyles. However, there are inevitable epidemiological bias in the existing studies, including recall bias, selection bias and measurement bias. Some methodological advances have brought new opportunities to TTP research, which make it possible to develop precision interventions for population fertility. Future TTP studies should take advantage of artificial intelligence, machine learning, and high-throughput sequencing technologies, and apply medical big data to fully consider and avoid possible bias in the design. Conclusion There are many opportunities and future challenges for TTP related studies which would provide a scientific basis for the “precise health management” of the population preparing for pregnancy. As the problems of infertility and population aging increase, there is a growing interest in the factors that cause a decline in human fertility. Time-to-pregnancy (TTP) is a good indicator with which to reflect human fecundability, and a longer TTP is known to reflect a reduction in fertility. Many original studies, with different designs, have used TTP to explore the factors that might influence fertility, including basic demographic characteristics, chronic disease status, environmental endocrine disruptor exposure, and lifestyles. However, much of the existing evidence is inconsistent and limited by various types of bias. This review provides a synopsis of recent TTP studies, and highlights new opportunities and future challenges.
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Affiliation(s)
- Xiang Hong
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, No.87 Dingjiaqiao Rd, Gulou District, Nanjing, Jiangsu, China
| | - Jiechen Yin
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, No.87 Dingjiaqiao Rd, Gulou District, Nanjing, Jiangsu, China
| | - Wei Wang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, No.87 Dingjiaqiao Rd, Gulou District, Nanjing, Jiangsu, China
| | - Fanqi Zhao
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, No.87 Dingjiaqiao Rd, Gulou District, Nanjing, Jiangsu, China
| | - Hong Yu
- Department of Obstetrics and Gynecology, Zhong Da Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Bei Wang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, No.87 Dingjiaqiao Rd, Gulou District, Nanjing, Jiangsu, China.
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Alexopoulou E, Galanis P, Souliotis K. Assisted reproduction in Greece: Sociodemographic aspects and health behavior analysis. POPULATION MEDICINE 2022. [DOI: 10.18332/popmed/150331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Zhang X, Xie L, Liu H, Li W. Impact of paternal body mass index on assisted reproduction treatment outcomes: An updated systematic review and meta-analysis. J Obstet Gynaecol Res 2022; 48:2071-2092. [PMID: 35678371 DOI: 10.1111/jog.15299] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/20/2022] [Accepted: 05/09/2022] [Indexed: 11/26/2022]
Abstract
AIM The aim was to provide updated evidence on the association of male body mass index (BMI) with outcomes of assisted reproduction technology (ART). METHODS PubMed, Embase, and Scopus databases were systematically searched. The review included observational studies in patients undergoing ART, that is, either in-vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) and compared rate of clinical pregnancy and live birth based on different categories of male BMI. Quality of the pooled findings was assessed using the GRADE criteria. RESULTS A total of 19 studies were included in the review. Among subjects undergoing IVF, there were no significant differences in the rates of clinical pregnancy among overweight (odds ratio [OR] 1.38, 95% confidence interval [CI]: 0.65, 2.96) and obese (OR 1.86, 95% CI: 0.75, 4.58) BMI, compared to normal male BMI. Similarly, there were no significant differences in the rates of live birth among overweight (OR 1.04, 95% CI: 0.97, 1.13) and obese BMI (OR 0.90, 95% CI: 0.69, 1.18) when compared to males with normal BMI. Further, among those undergoing ICSI, there were no significant differences in the odds of clinical pregnancy among overweight (OR 0.98, 95% CI: 0.73, 1.33) and obese (OR 0.89, 95% CI: 0.62, 1.29). The odds of live births among overweight (OR 0.97, 95% CI: 0.89, 1.05) and obese (OR 0.95, 95% CI: 0.84, 1.07) male BMI were statistically similar to males with normal BMI undergoing ICSI. CONCLUSIONS The low to very low-quality findings suggest no significant association of overweight and obese BMI with clinical pregnancy and live birth rates among couples undergoing either IVF or ICSI.
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Affiliation(s)
- Xiaofen Zhang
- Department of Genetics and Reproductive Medicine, Shunyi Maternal and Children's Hospital of Beijing Children's Hospital, Beijing, China
| | - Limin Xie
- Department of Genetics and Reproductive Medicine, Shunyi Maternal and Children's Hospital of Beijing Children's Hospital, Beijing, China
| | - Hairong Liu
- Department of Nursing, Shunyi Maternal and Children's Hospital of Beijing Children's Hospital, Beijing, China
| | - Wei Li
- Department of Genetics and Reproductive Medicine, Shunyi Maternal and Children's Hospital of Beijing Children's Hospital, Beijing, China.,Beijing Key Laboratory for Genetics of Birth Defects, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
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Mahmoud MY, Labib K, Sileem SA, Mustafa FA, Hamed WM, Abd Elhamid A, Saleh DM, Alanwar A, Riad AAM, Abdelhakim AM, Abbas AM, Mohammed HM. The impact of music therapy on anxiety and pregnancy rate among infertile women undergoing assisted reproductive technologies: a systematic review and meta-analysis. J Psychosom Obstet Gynaecol 2022; 43:205-213. [PMID: 34546118 DOI: 10.1080/0167482x.2021.1977277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Objective: We aimed to perform a systematic review and meta-analysis to evaluate the effect of music therapy on anxiety and pregnancy rates among infertile women undergoing to perform assisted reproductive technologies (ART).Methods: Cochrane Library, PubMed, ISI web of science, and Scopus were searched from inception to May 2021. We included randomized controlled trials (RCTs) that compared music therapy (intervention group) to no music intervention (control group). Our primary outcomes were anxiety score using the State-Trait Anxiety Inventory (STAI) tool and pain score utilizing the Visual Analog Scale (VAS). Our secondary outcomes were the overall satisfaction score and clinical pregnancy rate. We extracted the available data from included studies and pooled them in a meta-analysis model using RevMan software. The overall quality of evidence was assessed through GRADEpro GDT software.Results: Seven RCTs with a total number of 793 patients were included in our study. Music therapy significantly reduced the anxiety score compared to control group (MD= -3.09, 95% CI [-5.57, -0.61], p = 0.01). Moreover, pain score was significantly improved after music treatment (MD= -2.93, 95% CI [-3.86, -2.00], p > 0.001). A significant improvement in the overall satisfaction score was found among music therapy group (MD= 1.51, 95% CI [0.40, 2.61], p = 0.008). Although more women in music therapy group experienced an increase in the clinical pregnancy rate in comparison with control group, the result was not statistically significant (RR= 1.08, 95% CI [0.94, 1.26], p = 0.28). The GRADEpro GDT tool showed a moderate quality of evidence for the evaluated outcomes.Conclusions: There is evidence of moderate quality that music therapy improves anxiety, pain, and satisfaction scores among infertile women undergoing ART. Moreover, it increases the clinical pregnancy rate but without statistical significance. More trials with a larger sample size are needed to investigate the influence of music therapy on the clinical outcomes of ART.
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Affiliation(s)
- Marwa Yahia Mahmoud
- Department of Obstetrics and Gynecology, Faculty of Medicine, Beni Suef University, Beni Suef, Egypt
| | - Kareem Labib
- Department of Obstetrics and Gynecology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sileem Ahmed Sileem
- Department of Obstetrics and Gynecology, Faculty of Medicine, Al-Azhar University, Assiut, Egypt
| | - Faisal Ali Mustafa
- Department of Obstetrics and Gynecology, Faculty of Medicine, Al-Azhar University, Assiut, Egypt
| | - Wael M Hamed
- Department of Obstetrics and Gynecology, Faculty of Medicine, Al-Azhar University, Assiut, Egypt
| | - Ahmed Abd Elhamid
- Department of Obstetrics and Gynecology, Faculty of Medicine, Al-Azhar University, Assiut, Egypt
| | - Doaa M Saleh
- Department of Obstetrics and Gynecology, Faculty of Medicine, Al-Azhar University for Girls, Cairo, Egypt
| | - Ahmed Alanwar
- Department of Obstetrics and Gynecology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Amr Ahmed Mahmoud Riad
- Department of Obstetrics and Gynecology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | | | - Ahmed M Abbas
- Department of Obstetrics and Gynecology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Heba M Mohammed
- Department of Obstetrics and Gynecology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
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Personalized Nutrition in the Management of Female Infertility: New Insights on Chronic Low-Grade Inflammation. Nutrients 2022; 14:nu14091918. [PMID: 35565885 PMCID: PMC9105997 DOI: 10.3390/nu14091918] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/19/2022] [Accepted: 04/29/2022] [Indexed: 02/01/2023] Open
Abstract
Increasing evidence on the significance of nutrition in reproduction is emerging from both animal and human studies, suggesting a mutual association between nutrition and female fertility. Different “fertile” dietary patterns have been studied; however, in humans, conflicting results or weak correlations are often reported, probably because of the individual variations in genome, proteome, metabolome, and microbiome and the extent of exposure to different environmental conditions. In this scenario, “precision nutrition”, namely personalized dietary patterns based on deep phenotyping and on metabolomics, microbiome, and nutrigenetics of each case, might be more efficient for infertile patients than applying a generic nutritional approach. In this review, we report on new insights into the nutritional management of infertile patients, discussing the main nutrigenetic, nutrigenomic, and microbiomic aspects that should be investigated to achieve effective personalized nutritional interventions. Specifically, we will focus on the management of low-grade chronic inflammation, which is associated with several infertility-related diseases.
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Casale M. Improving the health and treatment success rates of in vitro fertilization patients with traditional Chinese medicine: Need for more robust evidence and innovative approaches. JOURNAL OF INTEGRATIVE MEDICINE 2022; 20:187-192. [PMID: 35216931 DOI: 10.1016/j.joim.2022.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 01/26/2022] [Indexed: 06/14/2023]
Abstract
Maximising access to and the success of fertility treatments should be a priority for global reproductive health, as should overall patient well-being. The demand for in vitro fertilization (IVF) and other assisted fertility treatments has increased over the past decade and is likely to further increase in years to come. Nevertheless, there is still considerable unmet demand for infertility support worldwide. Moreover, the high emotional, physical and financial burden experienced by individuals undergoing IVF cycles can be a risk for their mental and physical health, which in turn can influence treatment continuation and the likelihood of IVF success. Studies from various parts of the world show that most individuals undergoing IVF also use adjunct alternative medicines and procedures, the most common being traditional Chinese medicine (TCM). The complementary and synergistic role of TCM for individuals undergoing IVF is an area that merits further attention and research, both for its potential positive effects on IVF success rates and for its broader physical and mental health benefits. However, much of the existing evidence is not sufficiently robust or consistent for findings to be adopted with confidence. This commentary argues that much work must be done to understand the efficacy and clinical best practices for these integrated approaches. This can be achieved in part by developing more robust and clinically relevant randomized controlled trial protocols, collecting and triangulating evidence through a variety of study designs and methods, and strengthening the collection and pooling of clinic-level data.
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Affiliation(s)
- Marisa Casale
- School of Public Health, University of the Western Cape, Bellville 7535, South Africa.
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43
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Ma X, Wu L, Wang Y, Han S, El-Dalatony MM, Feng F, Tao Z, Yu L, Wang Y. Diet and human reproductive system: Insight of omics approaches. Food Sci Nutr 2022; 10:1368-1384. [PMID: 35592285 PMCID: PMC9094499 DOI: 10.1002/fsn3.2708] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/29/2021] [Accepted: 11/21/2021] [Indexed: 12/24/2022] Open
Abstract
Nutrition and lifestyle have a great impact on reproduction and infertility in humans, as they are essential for certain processes such as implantation, placental growth, angiogenesis, and the transfer of nutrients from the mother to the fetus. The aim of this review is to provide the interconnection between nutrition and reproductive health through the insight of omics approaches (including metabolomics and nutrigenomics). The effect of various macronutrients, micronutrients, and some food‐associated components on male and female reproduction was discussed. Recent research work was collected through database search from 2010 to 2020 to identify eligible studies. Alterations of metabolic pathways in pregnant women were deliberated with an emphasis on different strategies of lifestyle and dietary interventions. Several nutritional methods, which are important for embryonic and child neurological development, nutritional supplements to lactation, and improved gestational length along with birth weight have been emphasized. Considerable advances in omics strategies show potential technological development for improving human reproductive health.
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Affiliation(s)
- Xiaoling Ma
- The First Hospital of Lanzhou University The First School of Clinical Medicine Lanzhou University Lanzhou China.,Gansu International Scientific and Technological Cooperation Base of Reproductive Medicine Transformation Application Key Laboratory for Reproductive Medicine and Embryo Lanzhou China
| | - Luming Wu
- The First Hospital of Lanzhou University The First School of Clinical Medicine Lanzhou University Lanzhou China
| | - Yinxue Wang
- The First Hospital of Lanzhou University The First School of Clinical Medicine Lanzhou University Lanzhou China
| | - Shiqiang Han
- Linxia Hui Autonomous Prefecture Maternity and Childcare Hospital Linxia China
| | - Marwa M El-Dalatony
- Gansu International Scientific and Technological Cooperation Base of Reproductive Medicine Transformation Application Key Laboratory for Reproductive Medicine and Embryo Lanzhou China
| | - Fei Feng
- The First Hospital of Lanzhou University The First School of Clinical Medicine Lanzhou University Lanzhou China
| | - Zhongbin Tao
- The First Hospital of Lanzhou University The First School of Clinical Medicine Lanzhou University Lanzhou China
| | - Liulin Yu
- The First Hospital of Lanzhou University The First School of Clinical Medicine Lanzhou University Lanzhou China.,Gansu International Scientific and Technological Cooperation Base of Reproductive Medicine Transformation Application Key Laboratory for Reproductive Medicine and Embryo Lanzhou China
| | - Yiqing Wang
- The First Hospital of Lanzhou University The First School of Clinical Medicine Lanzhou University Lanzhou China.,Gansu International Scientific and Technological Cooperation Base of Reproductive Medicine Transformation Application Key Laboratory for Reproductive Medicine and Embryo Lanzhou China
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44
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Reyes Palomares A, Rodriguez-Wallberg KA. Update on the Epigenomic Implication of Embryo Cryopreservation Methods Applied in Assisted Reproductive Technologies With Potential Long-Term Health Effects. Front Cell Dev Biol 2022; 10:881550. [PMID: 35573677 PMCID: PMC9096028 DOI: 10.3389/fcell.2022.881550] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/14/2022] [Indexed: 12/17/2022] Open
Abstract
Cryopreservation of embryos has become an efficient method in Assisted Reproductive Technologies (ART) and these methods are currently performed at nearly all fertility centers around the globe. Cryopreservation of supernumerary embryos has contributed to an increase in cumulative pregnancy rates and as a consequence, an increasing number of children are being born through these techniques worldwide. However, long-term follow-up studies of children born through ART are scarce, and concerns about the long-term health effects on individuals conceived through ART have been raised. The relevant genomic transformations that occur at the time cryopreservation is usually applied to embryos may have potential epigenetic risks. With advances in multi-omic single cell technologies, new ways to assess the (epi)genomic status during early embryo development have now become feasible. These novel strategies could provide a revolutionary opportunity to understand the actual impact of ART, but also may help future developments aiming at increase both their efficiency and safety. Here we outline insights in current knowledge and research on the impact of cryopreservation on embryos, the possible consequences at epigenetic level and how emerging new high-throughput technologies can be used for their assessment.
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Affiliation(s)
- Arturo Reyes Palomares
- Laboratory of Translational Fertility Preservation, Department of Oncology and Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Kenny A. Rodriguez-Wallberg
- Laboratory of Translational Fertility Preservation, Department of Oncology and Pathology, Karolinska Institutet, Stockholm, Sweden
- Division of Gynecology and Reproduction, Department of Reproductive Medicine, Karolinska University Hospital, Stockholm, Sweden
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Vannier C, Chevrier C, Hubert-Moy L. Role of land use and land cover in residential exposures to agricultural pesticide models. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2022; 32:355-376. [PMID: 32393061 DOI: 10.1080/09603123.2020.1759029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 04/19/2020] [Indexed: 06/11/2023]
Abstract
Exposure of the general population to pesticides, especially in agricultural areas, is a major public health concern. This review analyses the role of Land Use and Land Cover (LULC) in Residential Exposure to Agricultural Pesticides (REAP) and how it is measured and modelled. Some epidemiological studies have shown that basic LULC variables, such as distance to a crop and field size, are relevant for explaining REAP. However, the potential of LULC mitigation elements, such as vegetation barriers, grassy strips and buffer zones, to mitigate REAP has been poorly studied. The availability of recent low-cost and high-quality geospatial data enables REAP models to include alternative and more precise LULC variables. This review also highlights the need for (i) generic environmental sampling protocols, (ii) exposure and spraying datasets and (iii) assessment of the mitigation capacity of LULC to improve REAP modelling significantly.
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Affiliation(s)
- Clémence Vannier
- Univ Rennes, CNRS, LETG - UMR 6554, Rennes, France
- Department of Geography, College of Science, University of Canterbury - Te Whare Wananga O Waitaha, Christchurch, New Zealand
| | - Cécile Chevrier
- Univ Rennes, Inserm, EHESP, Irset (Institut De Recherche En Santé, Environnement Et Travail) - UMR_S 1085, Rennes, France
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46
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Yland JJ, Wang T, Zad Z, Willis SK, Wang TR, Wesselink AK, Jiang T, Hatch EE, Wise LA, Paschalidis IC. Predictive models of pregnancy based on data from a preconception cohort study. Hum Reprod 2022; 37:565-576. [PMID: 35024824 PMCID: PMC8888990 DOI: 10.1093/humrep/deab280] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 11/30/2021] [Indexed: 01/16/2023] Open
Abstract
STUDY QUESTION Can we derive adequate models to predict the probability of conception among couples actively trying to conceive? SUMMARY ANSWER Leveraging data collected from female participants in a North American preconception cohort study, we developed models to predict pregnancy with performance of ∼70% in the area under the receiver operating characteristic curve (AUC). WHAT IS KNOWN ALREADY Earlier work has focused primarily on identifying individual risk factors for infertility. Several predictive models have been developed in subfertile populations, with relatively low discrimination (AUC: 59-64%). STUDY DESIGN, SIZE, DURATION Study participants were female, aged 21-45 years, residents of the USA or Canada, not using fertility treatment, and actively trying to conceive at enrollment (2013-2019). Participants completed a baseline questionnaire at enrollment and follow-up questionnaires every 2 months for up to 12 months or until conception. We used data from 4133 participants with no more than one menstrual cycle of pregnancy attempt at study entry. PARTICIPANTS/MATERIALS, SETTING, METHODS On the baseline questionnaire, participants reported data on sociodemographic factors, lifestyle and behavioral factors, diet quality, medical history and selected male partner characteristics. A total of 163 predictors were considered in this study. We implemented regularized logistic regression, support vector machines, neural networks and gradient boosted decision trees to derive models predicting the probability of pregnancy: (i) within fewer than 12 menstrual cycles of pregnancy attempt time (Model I), and (ii) within 6 menstrual cycles of pregnancy attempt time (Model II). Cox models were used to predict the probability of pregnancy within each menstrual cycle for up to 12 cycles of follow-up (Model III). We assessed model performance using the AUC and the weighted-F1 score for Models I and II, and the concordance index for Model III. MAIN RESULTS AND THE ROLE OF CHANCE Model I and II AUCs were 70% and 66%, respectively, in parsimonious models, and the concordance index for Model III was 63%. The predictors that were positively associated with pregnancy in all models were: having previously breastfed an infant and using multivitamins or folic acid supplements. The predictors that were inversely associated with pregnancy in all models were: female age, female BMI and history of infertility. Among nulligravid women with no history of infertility, the most important predictors were: female age, female BMI, male BMI, use of a fertility app, attempt time at study entry and perceived stress. LIMITATIONS, REASONS FOR CAUTION Reliance on self-reported predictor data could have introduced misclassification, which would likely be non-differential with respect to the pregnancy outcome given the prospective design. In addition, we cannot be certain that all relevant predictor variables were considered. Finally, though we validated the models using split-sample replication techniques, we did not conduct an external validation study. WIDER IMPLICATIONS OF THE FINDINGS Given a wide range of predictor data, machine learning algorithms can be leveraged to analyze epidemiologic data and predict the probability of conception with discrimination that exceeds earlier work. STUDY FUNDING/COMPETING INTEREST(S) The research was partially supported by the U.S. National Science Foundation (under grants DMS-1664644, CNS-1645681 and IIS-1914792) and the National Institutes for Health (under grants R01 GM135930 and UL54 TR004130). In the last 3 years, L.A.W. has received in-kind donations for primary data collection in PRESTO from FertilityFriend.com, Kindara.com, Sandstone Diagnostics and Swiss Precision Diagnostics. L.A.W. also serves as a fibroid consultant to AbbVie, Inc. The other authors declare no competing interests. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- Jennifer J Yland
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA,Correspondence address. Department of Epidemiology, Boston University School of Public Health, 715 Albany Street, Boston, MA 02118, USA. E-mail:
| | - Taiyao Wang
- Center for Information and Systems Engineering, Boston University, Boston, MA, USA,Philips Research North America, Cambridge, MA, USA
| | - Zahra Zad
- Center for Information and Systems Engineering, Boston University, Boston, MA, USA,Division of Systems Engineering, Department of Electrical and Computer Engineering, Boston University, Boston, MA, USA
| | - Sydney K Willis
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
| | - Tanran R Wang
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
| | - Amelia K Wesselink
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
| | - Tammy Jiang
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
| | - Elizabeth E Hatch
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
| | - Lauren A Wise
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
| | - Ioannis Ch Paschalidis
- Center for Information and Systems Engineering, Boston University, Boston, MA, USA,Division of Systems Engineering, Department of Electrical and Computer Engineering, Boston University, Boston, MA, USA,Department of Biomedical Engineering, Boston University, Boston, MA, USA
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Hunter E, Avenell A, Maheshwari A, Stadler G, Best D. The effectiveness of weight-loss lifestyle interventions for improving fertility in women and men with overweight or obesity and infertility: A systematic review update of evidence from randomized controlled trials. Obes Rev 2021; 22:e13325. [PMID: 34390109 DOI: 10.1111/obr.13325] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 07/02/2021] [Accepted: 07/02/2021] [Indexed: 01/05/2023]
Abstract
Being overweight or obese can have a negative impact on fertility outcomes. This systematic review updates randomized controlled trial (RCT) findings on the effectiveness of weight loss interventions in reducing weight and improving reproductive outcomes of women and men with overweight or obesity and infertility. Eligible studies, published since the last review, were identified by searching databases from March 20, 2016 until March 31, 2020. RCTs involving any type of lifestyle intervention were considered. Eight RCTs were identified and aggregated with seven RCTs included in our previous review. Meta-analyses revealed that women randomized to a combined diet and exercise intervention were more likely to become pregnant, risk ratio (RR) = 1.87 (95% CI 1.20, 2.93) and achieve a live birth RR = 2.20 (95% CI 1.23, 3.94), compared to women in control groups who received no or minimal intervention. This pattern was not replicated in trials where control groups received immediate access to assisted reproductive technology (ART). No eligible randomized trials involving men were identified. Data were largely obtained from small scale studies. Better designed, adequately powered, robust randomized trials are needed to better understand the effect of weight loss interventions on reproductive outcomes in both women and men.
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Affiliation(s)
- Emma Hunter
- Institute of Applied Health Sciences, University of Aberdeen, Aberdeen, UK
| | - Alison Avenell
- Health Services Research Unit, University of Aberdeen, Aberdeen, UK
| | - Abha Maheshwari
- Aberdeen Fertility Centre, Aberdeen Maternity Hospital, Aberdeen, UK
| | - Gertraud Stadler
- Institute of Gender in Medicine, Charité University Berlin, Germany & Institute of Applied Health Sciences, University of Aberdeen, Aberdeen, UK
| | - Damian Best
- Faculty of Medical Sciences, University of the West Indies, Bridgetown, Barbados
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Koparal B, Gürlek B, Hocaoğlu Ç, Polat S. Levels of anxiety sensitivity, somatosensory amplification and alexithymia in patients with unexplained infertility. Int J Clin Pract 2021; 75:e14761. [PMID: 34455676 DOI: 10.1111/ijcp.14761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 08/25/2021] [Accepted: 08/27/2021] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE In this study, we aimed to focus on the psychological aspect of unexplained infertility by comparing their psychological features to those of infertile patients with a known causes and fertile patients. PATIENTS AND METHODS Sixty unexplained infertility patients, 50 infertile patients with a known cause and 56 fertile patients were included in the study. Patients were evaluated using socio-demographic data form, Toronto Alexithymia Scale (TAS-20), Somatosensory Amplification Scale (SAS) and Anxiety Sensitivity Index (ASI-3). RESULTS No significant differences in the levels of alexithymia, somatosensory amplification and anxiety sensitivity were detected between the groups (P > .05). When the correlation of clinical scale scores with each other was analysed in the whole group of infertile patients regardless of the cause, a weak positive correlation was found between anxiety sensitivity and difficulty in identifying feelings. CONCLUSION In our study, it has been found out that; regardless of the knowledge of the aetiology of infertility, the levels of alexithymia, somatosensory amplification and anxiety sensitivity of infertile cases did not differ from those of fertile women. However, it has been shown that as the difficulty in identifying emotions increases in infertile cases, anxiety sensitivity, which may cause psychological infertility, also increases.
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Affiliation(s)
- Buket Koparal
- Department of Psychiatry, Recep Tayyip Erdogan University Training and Research Hospital, Rize, Turkey
| | - Beril Gürlek
- Department of Obstetrics and Gynecology, Recep Tayyip Erdogan University Training and Research Hospital, Rize, Turkey
| | - Çiçek Hocaoğlu
- Department of Psychiatry, Recep Tayyip Erdogan University Training and Research Hospital, Rize, Turkey
| | - Selim Polat
- Department of Psychiatry, Recep Tayyip Erdogan University Training and Research Hospital, Rize, Turkey
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van Hoorn F, de Wit L, van Rossem L, Jambroes M, Groenendaal F, Kwee A, Lamain - de Ruiter M, Franx A, van Rijn BB, Koster MPH, Bekker MN. A prospective population-based multicentre study on the impact of maternal body mass index on adverse pregnancy outcomes: Focus on normal weight. PLoS One 2021; 16:e0257722. [PMID: 34555090 PMCID: PMC8460045 DOI: 10.1371/journal.pone.0257722] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 09/08/2021] [Indexed: 12/16/2022] Open
Abstract
Background Maternal body mass index (BMI) below or above the reference interval (18.5–24.9 kg/m2) is associated with adverse pregnancy outcomes. Whether BMI exerts an effect within the reference interval is unclear. Therefore, we assessed the association between adverse pregnancy outcomes and BMI, in particular within the reference interval, in a general unselected pregnant population. Methods Data was extracted from a prospective population-based multicentre cohort (Risk Estimation for PrEgnancy Complications to provide Tailored care (RESPECT) study) conducted between December 2012 to January 2014. BMI was studied in categories (I: <18.5, II: 18.5–19.9, III: 20.0–22.9, IV: 23.0–24.9, V: 25.0–27.4, VI: 27.5–29.9, VII: >30.0 kg/m2) and as a continuous variable within the reference interval. Adverse pregnancy outcomes were defined as composite endpoints for maternal, neonatal or any pregnancy complication, and for adverse pregnancy outcomes individually. Linear trends were assessed using linear-by-linear association analysis and (adjusted) relative risks by regression analysis. Results The median BMI of the 3671 included women was 23.2 kg/m2 (IQR 21.1–26.2). Adverse pregnancy outcomes were reported in 1256 (34.2%). Linear associations were observed between BMI categories and all three composite endpoints, and individually for pregnancy-induced hypertension (PIH), preeclampsia, gestational diabetes mellitus (GDM), large-for-gestational-age (LGA) neonates; but not for small-for-gestational-age neonates and preterm birth. Within the reference interval, BMI was associated with the composite maternal endpoint, PIH, GDM and LGA, with adjusted relative risks of 1.15 (95%CI 1.06–1.26), 1.12 (95%CI 1.00–1.26), 1.31 (95%CI 1.11–1.55) and 1.09 (95%CI 1.01–1.17). Conclusions Graded increase in maternal BMI appears to be an indicator of risk for adverse pregnancy outcomes even among women with a BMI within the reference interval. The extent to which BMI directly contributes to the increased risk in this group should be evaluated in order to determine strategies most valuable for promoting safety and long-term health for mothers and their offspring.
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Affiliation(s)
- Fieke van Hoorn
- Department of Obstetrics and Gynaecology, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
- * E-mail:
| | - Leon de Wit
- Department of Obstetrics and Gynaecology, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Lenie van Rossem
- Department of Public Health, Healthcare Innovation, and Medical Humanities, Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Marielle Jambroes
- Department of Public Health, Healthcare Innovation, and Medical Humanities, Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Floris Groenendaal
- Department of Neonatology, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Anneke Kwee
- Department of Obstetrics and Gynaecology, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Marije Lamain - de Ruiter
- Department of Obstetrics and Gynaecology, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Arie Franx
- Department of Obstetrics and Gynaecology, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Bas B. van Rijn
- Department of Obstetrics and Gynaecology, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Maria P. H. Koster
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Mireille N. Bekker
- Department of Obstetrics and Gynaecology, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
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50
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Setti AS, Halpern G, Braga DPDAF, Iaconelli A, Borges E. Maternal lifestyle and nutritional habits are associated with oocyte quality and ICSI clinical outcomes. Reprod Biomed Online 2021; 44:370-379. [PMID: 34857474 DOI: 10.1016/j.rbmo.2021.08.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/22/2021] [Accepted: 08/25/2021] [Indexed: 11/26/2022]
Abstract
RESEARCH QUESTION Do maternal lifestyle factors influence the incidence of oocyte dimorphisms and outcomes of intracytoplasmic sperm injection (ICSI) cycles? DESIGN A total of 752 female patients undergoing an ICSI cycle at a private university-affiliated IVF centre from January 2015 to December 2019 were included in this historical cohort study. Before starting ovarian stimulation, participants completed a questionnaire on cigarette smoking habits, consumption of alcoholic beverages, refined sugar, artificial sweeteners, soft drinks, fruits, legumes and vegetables, milk and dairy, and meat, as well as exercise frequency over the past 6 months. Oocyte morphology was evaluated before ICSI. The influence of maternal lifestyle factors on the incidence of oocyte dimorphisms and ICSI outcomes was evaluated by multivariate general linear models and generalized linear models, adjusted for potential confounders. The main outcome measures were the incidence of oocyte dimorphisms per cycle and clinical outcomes. RESULTS Lifestyle factors and nutritional habits such as cigarette smoking, and the consumption of alcohol, refined sugar and artificial sweeteners, were positively associated with incidence of several oocyte dimorphisms and negatively associated with the response to ovarian stimulation and embryo development. Negative relationships were also observed between these habits and clinical outcomes, apart from miscarriage rate, in which positive relationships were observed. Significant negative dose-dependent relationships between these habits and implantation rates were noted (P < 0.001). Alcoholic beverage consumption also showed inverse dose-dependent relationships with clinical pregnancy and live birth rates. Live birth rate was also negatively associated with cigarette smoking, in a dose-dependent manner. CONCLUSIONS Poor maternal habits were associated with reduced oocyte quality and ICSI outcomes in this study. Many of these associations were shown to be dose-dependent.
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Affiliation(s)
- Amanda Souza Setti
- Fertility Medical Group, Av. Brigadeiro Luis Antonio, 4545, São Paulo - SP 01401-002, Brazil; Sapientiae Institute - Centro de Estudos e Pesquisa em Reprodução Humana Assistida, Rua Vieira Maciel, 62, São Paulo - SP 04503-040, Brazil.
| | - Gabriela Halpern
- Fertility Medical Group, Av. Brigadeiro Luis Antonio, 4545, São Paulo - SP 01401-002, Brazil
| | - Daniela Paes de Almeida Ferreira Braga
- Fertility Medical Group, Av. Brigadeiro Luis Antonio, 4545, São Paulo - SP 01401-002, Brazil; Sapientiae Institute - Centro de Estudos e Pesquisa em Reprodução Humana Assistida, Rua Vieira Maciel, 62, São Paulo - SP 04503-040, Brazil
| | - Assumpto Iaconelli
- Fertility Medical Group, Av. Brigadeiro Luis Antonio, 4545, São Paulo - SP 01401-002, Brazil; Sapientiae Institute - Centro de Estudos e Pesquisa em Reprodução Humana Assistida, Rua Vieira Maciel, 62, São Paulo - SP 04503-040, Brazil
| | - Edson Borges
- Fertility Medical Group, Av. Brigadeiro Luis Antonio, 4545, São Paulo - SP 01401-002, Brazil; Sapientiae Institute - Centro de Estudos e Pesquisa em Reprodução Humana Assistida, Rua Vieira Maciel, 62, São Paulo - SP 04503-040, Brazil
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