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Whittaker A, Gerrits T, Hammarberg K, Manderson L. Access to assisted reproductive technologies in sub-Saharan Africa: fertility professionals' views. Sex Reprod Health Matters 2024; 32:2355790. [PMID: 38864373 PMCID: PMC11172248 DOI: 10.1080/26410397.2024.2355790] [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] [Indexed: 06/13/2024] Open
Abstract
Across sub-Saharan Africa, there remains disagreement among local expert providers over the best ways to improve access to assisted reproduction in low-income contexts. Semi-structured qualitative interviews were conducted between 2021 and 2023 with 19 fertility specialists and 11 embryologists and one clinic manager from South Africa, Zimbabwe, Namibia, Kenya, Ethiopia and Uganda to explore issues surrounding access and potential low-cost IVF options. Lack of access to ART was variously conceptualised as a problem of high cost of treatment; lack of public funding for medical services and medication; poor policy awareness and prioritisation of fertility problems; a shortage of ART clinics and well-trained expert staff; the need for patients to travel long distances; and over-servicing within the largely privatised sector. All fertility specialists agreed that government funding for public sector assisted reproduction services was necessary to address access in the region. Other suggestions included: reduced medication costs by using mild stimulation protocols and oocyte retrievals under sedation instead of general anaesthetics. Insufficient data on low-cost interventions was cited as a barrier to their implementation. The lack of skilled embryologists on the continent was considered a major limitation to expanding ART services and the success of low-cost IVF systems. Very few specialists suggested that profits of pharmaceutical companies or ART clinics might be reduced to lessen the costs of treatments.
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Affiliation(s)
- Andrea Whittaker
- Professor of Anthropology, School of Social Sciences, Monash University, Melbourne, Australia
| | - Trudie Gerrits
- Associate Professor, Amsterdam Institute for Social Science Research (AISSR), University of Amsterdam, Amsterdam, Netherlands
| | - Karin Hammarberg
- Senior Research Fellow, Global and Women’s Health, Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Lenore Manderson
- Distinguished Professor of Public Health and Medical Anthropology, School of Public Health, The University of the Witwatersrand, Johannesburg, South Africa and Professorial Adjunct, School of Social Sciences, Monash University, Melbourne, Australia
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Wu LM, Zhang L, Ji MX, Zhang L, Jin Z, Li SS, Xu WH, Fu XH, Wu YD. Dual trigger or hCG alone: A retrospective analysis on patients with diminished ovarian reserve under in vitro fertilization and embryo transfer (IVF-ET) treatment. Eur J Obstet Gynecol Reprod Biol 2024; 302:339-345. [PMID: 39369503 DOI: 10.1016/j.ejogrb.2024.09.039] [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: 08/12/2023] [Revised: 09/14/2024] [Accepted: 09/26/2024] [Indexed: 10/08/2024]
Abstract
OBJECTIVE With remarkable deficiency in both oocyte stock and competence, the prognosis of IVF-ET in diminished ovarian reserve (DOR) is obstinately poor, underscoring warranted optimization to current procedures. We compared the efficacy of dual-trigger (hCG plus GnRH-a) and hCG alone on the outcomes for DOR patients. STUDY DESIGN A total of 381 couples and 857 controlled ovarian stimulation (COS) cycles, and 222 couples and 366 frozen embryo transfer (FET) ones were included. The intermediate outcomes during oocyte retrieval and in vitro culture were compared based on COS dataset, while outcomes after embryo transfer analyzed based on FET dataset. The marginal effect of all study factors and covariates were evaluated with a cluster-weighted GEE model. RESULTS AND CONCLUSION Neither the intermediate nor implantation outcomes were improved by dual-trigger. The OR values were 1.08 (95 % CI: 0.41-2.78) for retrieval cancellation, 1.33 (95 % CI: 0.89-2.00) for oocyte harvest, 1.04(95 %CI: 0.94-1.15) for viable embryo and 1.03(95 %CI: 0.88-1.19) for top-quality embryo. Similarly, the ORs were 0.90 (95 %CI: 0.62-1.30) for implantation and 0.97 (95 %CI: 0.56-1.69) for clinical pregnancy. This equivalence remained unchanged after adjusting for the covariates such as age, BMI, controlled ovarian stimulation protocols, etc. Thus, dual-trigger cannot provide significant advantage over hCG in related to immediate or clinical outcomes of IVF-ET treatments in DOR patients.
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Affiliation(s)
- Li-Mei Wu
- Reproductive Medicine Center, Department of Reproductive Endocrinology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Ling Zhang
- Reproductive Medicine Center, Department of Reproductive Endocrinology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Meng-Xia Ji
- Reproductive Medicine Center, Department of Reproductive Endocrinology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Lin Zhang
- Reproductive Medicine Center, Department of Reproductive Endocrinology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Zhen Jin
- Reproductive Medicine Center, Department of Reproductive Endocrinology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Shi-Shi Li
- Reproductive Medicine Center, Department of Reproductive Endocrinology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Wei-Hai Xu
- Reproductive Medicine Center, Department of Reproductive Endocrinology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Xiao-Hua Fu
- Reproductive Medicine Center, Department of Reproductive Endocrinology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China.
| | - Yi-Dan Wu
- Reproductive Medicine Center, Department of Reproductive Endocrinology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China.
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3
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Wang C, Yu L, Cai W, Liu T, Liu M, Che Q, Tang J, Wang X, Dong X, Pan B, Wang B, Liu S, Guo W. Abnormal amino acid synthesis and glutathione metabolism may affect PCOS blastocyst development: an examination of in vitro mouse blastocysts model utilizing RNA-sequencing. BMC Endocr Disord 2024; 24:142. [PMID: 39107770 PMCID: PMC11301850 DOI: 10.1186/s12902-024-01674-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Accepted: 07/30/2024] [Indexed: 08/10/2024] Open
Abstract
BACKGROUND Extensive research has been conducted on embryonic developmental disorders linked to Polycystic Ovary Syndrome (PCOS), a pathological condition that affects 5-10% of women and is characterized by irregularities in the menstrual cycle and infertility. By employing RNA sequencing (RNA-seq), we performed an in-depth investigation of PCOS-related changes in gene expression patterns at the mouse blastocyst stage. METHODS The zygotes of female B6D2 mice were obtained and then differentiated into blastocysts in K + Simplex Optimised Medium (KSOM) cultures containing exo-NC (negative control for exosomes) or exo-LIPE-AS1 (a novel exosomal marker of PCOS). Subsequently, blastocysts were collected for RNA-seq. The bioinformatics was performed to analyze and compare the differences of gene expression profile between blastocysts of control and PCOS group. RESULTS There were 1150 differentially expressed genes (DEGs) between the two groups of mouse blastocysts; 243 genes were upregulated and 907 downregulated in the blastocysts of the exo-LIPE-AS1 group compared to those of the exo-NC group. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis revealed that the genes involved in amino acid synthesis and glutathione metabolic pathways were down-regulated in exo-LIPE-AS1 group. CONCLUSION This study has revealed that blastocyst developmental retardation may be associated with the downregulation of amino acid synthesis and glutathione metabolism, which may affect energy metabolism, biosynthesis, cellular osmotic pressure, antioxidant synthesis, ROS clearance or mitochondrial function, and ultimately cause blastocyst cell development abnormalities. Our research offers encouraging data on the mechanisms underlying aberrant embryonic development in patients with PCOS as well as potential treatment strategies.
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Affiliation(s)
- Chen Wang
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, No. 111 Yi Xue Yuan Road, Shanghai, 200032, PR China
| | - Li Yu
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, No. 111 Yi Xue Yuan Road, Shanghai, 200032, PR China
| | - Wei Cai
- Reproductive Medicine Center, Zhongshan Hospital, Fudan University, No. 250 Xiao Mu Qiao Road, Shanghai, 200032, PR China
| | - Te Liu
- Shanghai Geriatric Institute of Chinese Medicine, Shanghai University of Traditional Chinese Medicine, No.725 South Wan Ping Road, Shanghai, 200031, PR China
| | - Miao Liu
- Reproductive Medicine Center, Zhongshan Hospital, Fudan University, No. 250 Xiao Mu Qiao Road, Shanghai, 200032, PR China
| | - Qi Che
- Reproductive Medicine Center, Zhongshan Hospital, Fudan University, No. 250 Xiao Mu Qiao Road, Shanghai, 200032, PR China
| | - Jianan Tang
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, 200237, PR China
| | - Xuemei Wang
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, 200237, PR China
| | - Xi Dong
- Reproductive Medicine Center, Zhongshan Hospital, Fudan University, No. 250 Xiao Mu Qiao Road, Shanghai, 200032, PR China
| | - Baishen Pan
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, No. 111 Yi Xue Yuan Road, Shanghai, 200032, PR China
| | - Beili Wang
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, No. 111 Yi Xue Yuan Road, Shanghai, 200032, PR China.
| | - Suying Liu
- Reproductive Medicine Center, Zhongshan Hospital, Fudan University, No. 250 Xiao Mu Qiao Road, Shanghai, 200032, PR China.
| | - Wei Guo
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, No. 111 Yi Xue Yuan Road, Shanghai, 200032, PR China.
- Department of Laboratory Medicine, Shanghai Geriatric Medical Center, Zhongshan Hospital, Fudan University, No. 2560 Chun Shen Road, Shanghai, 201104, PR China.
- Department of Laboratory Medicine, Wusong Branch, Zhongshan Hospital, Fudan University, No.216 Mudanjiang Road, Shanghai, 200940, PR China.
- Department of Laboratory Medicine, Xiamen Branch, Zhongshan Hospital, Fudan University, No. 668 Jin Hu Road, Xiamen, 361015, PR China.
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Liang Y, Hou X, Chen H, Yang R, Wang R, Mao R, Zhao J, Chen H, Cheng J. Assisted Reproductive Technology Outcomes in Women with Normal Ovarian Response Receiving Recombinant Luteinizing Hormone/Human Menopausal Gonadotropin: An Observational Study. Int J Womens Health 2024; 16:1103-1111. [PMID: 38895039 PMCID: PMC11185249 DOI: 10.2147/ijwh.s454410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
Objective Additive human menopausal gonadotropin (HMG)/recombinant luteinizing hormone (r-LH) to follicle-stimulating hormone (FSH) can improve pregnancy outcomes in patients with poor ovarian response during assisted reproductive procedures. However, their effects on patients with normal ovarian response during such procedures are unclear, which formed the aim of this study. Methods This retrospective study enrolled 456 infertile women who underwent in vitro fertilization or intracytoplasmic sperm injection treatment. Group 1 received FSH; Group 2 received FSH+HMG/r-LH; Group 3 received FSH+HMG+r-LH. Results The age and Body Mass Index were significantly greater in Group III. The endometrial thickness was greater in Groups II and III, suggesting better endometrial receptivity. Better pregnancy and birth outcomes were seen in Group 3. In sub-cohorts of women older than 32 years old or with overweight/obesity, pregnancy and birth outcomes were also much better in Group 3, albeit without statistical significance. Conclusion The addition of both HMG and r-LH to FSH may improve the chance of infertile women with normal ovarian responses to have more success in having live birth babies, specifically in those over 32 years of age or with overweight/obese patients who typically face challenges in conceiving and sustaining a pregnancy.
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Affiliation(s)
- Yingxiu Liang
- Reproductive Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325088, People’s Republic of China
| | - Xiaohong Hou
- Reproductive Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325088, People’s Republic of China
| | - Haoying Chen
- Reproductive Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325088, People’s Republic of China
| | - Ruqing Yang
- Reproductive Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325088, People’s Republic of China
| | - Ruina Wang
- Reproductive Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325088, People’s Republic of China
| | - Ruotong Mao
- Reproductive Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325088, People’s Republic of China
| | - Junzhao Zhao
- Reproductive Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325088, People’s Republic of China
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Ultimo, New South Wales, 2007, Australia
| | - Jing Cheng
- Reproductive Center, Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325088, People’s Republic of China
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Afferri A, Dierickx S, Allen H, Bittaye M, Marena M, Pacey A, Balen J. 'It's about time': policymakers' and health practitioners' perspectives on implementing fertility care in the Gambian health system. BMC Health Serv Res 2024; 24:282. [PMID: 38443896 PMCID: PMC10916196 DOI: 10.1186/s12913-024-10701-0] [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: 09/05/2023] [Accepted: 02/09/2024] [Indexed: 03/07/2024] Open
Abstract
BACKGROUND Infertility is a major health issue worldwide, yet very few examples of interventions addressing infertility in the Global South have been documented to date. In The Gambia, West Africa, infertility is recognised as a burden and the health authorities have included it in several health policies and the new National Reproductive Health Strategy however, a detailed operationalisation plan for fertility care has not yet been established. Here, we aim to understand and document the factors that influence the implementation of fertility care in The Gambia. METHODS We conducted 46 semi-structured interviews with policymakers, implementers, and health practitioners in both the public and private sectors from July to November 2021. The interviews were transcribed, anonymised and analysed with NVivo Pro version 1.6.1. The analysis was initially inductive, with themes arising from the coding categorised according to the WHO health systems building blocks framework. RESULTS This study identified several barriers to a successful implementation of fertility care in The Gambia, including (i) a lack of routinely collected infertility data; (ii) an absence of financial protection mechanisms for patients, and/or a specific budget for infertility; (iii) limited cooperation between the public and private sectors in the provision of fertility care; and (iv) gaps in fertility care training among health practitioners. Conversely, enablers included: (i) strong national infertility leadership; and (ii) the integration of infertility care within public reproductive health services. CONCLUSION The Gambian health system is not yet in the position to support a comprehensive fertility care package in its public health facilities. Several aspects of the implementation of fertility care must be considered in operationalising the health strategy including the systematic collection of infertility data, fertility awareness, and the provision of specialised fertility care training. Furthermore, a stronger partnership between the public and private sectors must be developed. Given the increasing availability of assisted reproductive technologies in the sub-Saharan Africa region, and the tendency to locate these technologies in the private sector, further research is needed to understand and identify the processes underlying the implementation of fertility care and to foster better integration with the existing health system.
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Affiliation(s)
- Anna Afferri
- School of Health and Related Research- ScHARR, The University of Sheffield, Sheffield, UK.
| | - Susan Dierickx
- Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
- Research Centre Gender, Diversity and Intersectionality - RHEA, Vrije Universiteit, Brussel, Belgium
| | - Haddijatou Allen
- Medical Research Council- MRC Unit The Gambia at LSHTM, Fajara, The Gambia
| | - Mustapha Bittaye
- The Gambia Ministry of Health, Banjul, The Gambia
- School of Medicine and Allied Health Sciences, University of The Gambia, Banjul, The Gambia
| | - Musa Marena
- The Gambia Ministry of Health, Banjul, The Gambia
- School of Medicine and Allied Health Sciences, University of The Gambia, Banjul, The Gambia
| | - Allan Pacey
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Julie Balen
- Medical Research Council- MRC Unit The Gambia at LSHTM, Fajara, The Gambia
- School of Allied and Public Health Professions, Canterbury Christ Church University, Canterbury, UK
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Fleming R, Mascarenhas M, Roebuck F, Ambrose P, Noble C, Henderson A, Gibson N, Gaudoin M. FSH administration at 12-hour intervals for the first 2 days, combined with mandatory GnRH-agonist trigger and blastocyst vitrification in women (<80Kg) with high AMH levels, results in higher cumulative live birth rates and is safer. HUM FERTIL 2023; 26:1271-1278. [PMID: 36644854 DOI: 10.1080/14647273.2023.2164870] [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: 01/06/2022] [Accepted: 09/12/2022] [Indexed: 01/17/2023]
Abstract
We aimed to determine if a programme change to 12 hourly injections of FSH (150 IU per injection) for the first 2 days of stimulation in women with high ovarian reserve (AMH ≥ 30 pmol/L), followed by 24 hourly injections, would elicit increased earlier follicular recruitment, higher egg yields and blastocyst embryos for cryopreservation, leading to potential higher cumulative pregnancy rates, than conventional daily injections throughout. For safety reasons, the approach required mandatory cryopreservation of all blastocysts (mFET group; n = 74), after ovulation trigger with GnRH-agonist, in GnRH-antagonist controlled cycles. The 'Comparator group' (n = 91) comprised women with the same high AMH levels treated with the same base dose of FSH, with the aim of fresh blastocyst transfer and cryopreservation of supernumerary embryos, treated over the preceding 2 years. There was no difference in age, AMH, weight or BMI between the groups. The mFET group achieved higher egg (17.7 versus 11.7; p < 0.001) and embryo (10.9 versus 7.2; p < 0.001) yields and fewer cases with sub-optimal embryo yields (7% versus 22%; p = 0.018). The cumulative live birth rate was superior in the mFET group (73% versus 43%), as was the safety profile, and negligible rate of treatment plan modification.
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Affiliation(s)
- Richard Fleming
- TFP-GCRM Fertility, TFP Fertility Group Limited, Glasgow, UK
| | | | - Frances Roebuck
- TFP-GCRM Fertility, TFP Fertility Group Limited, Glasgow, UK
| | | | - Clare Noble
- TFP-GCRM Fertility, TFP Fertility Group Limited, Glasgow, UK
| | - Ann Henderson
- TFP-GCRM Fertility, TFP Fertility Group Limited, Glasgow, UK
| | - Nicole Gibson
- TFP-GCRM Fertility, TFP Fertility Group Limited, Glasgow, UK
| | - Marco Gaudoin
- TFP-GCRM Fertility, TFP Fertility Group Limited, Glasgow, UK
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Li Y, Xia L, Li Z, Zhang Z, Jiang R. Factors affecting cumulative live birth rate after the 1st oocyte retrieved in polycystic ovary syndrome patients in women during IVF/ICSI-ET. J Ovarian Res 2023; 16:201. [PMID: 37833722 PMCID: PMC10571446 DOI: 10.1186/s13048-023-01290-3] [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: 11/09/2022] [Accepted: 10/01/2023] [Indexed: 10/15/2023] Open
Abstract
BACKGROUND The factors affecting the cumulative live birth rate (CLBR) of PCOS (Polycystic ovary syndrom) patients who received in vitro fertilization/intracytoplasmic sperm injection-embryo transfer (IVF/ICSI-ET) needs more research for a better outcome. METHODS Here we carried out a retrospective analysis of 1380 PCOS patients who received IVF/ICSI-ET for the first time from January 2014 to December 2016. We divided them into cumulative live birth group (group A) and non-cumulative live birth group (group B) according to whether there were live births. RESULTS The conservative cumulative live birth rate was 63.48%. There were 876 cumulative live births (group A) and 504 non-cumulative live births (group B) according to whether the patients had live births or not. Competition analysis showed that duration of infertility, primary/secondary type of infertility, stimulation protocols, starting dose of gonadotrophins and oocyte retrieved numbers were significantly correlated with CLBR. The Cox proportional risk regression model of PCOS patients showed that stimulation protocols had a significant impact on CLBR. Patients in the GnRH (Gonadotropin-releasing hormone)-antagonist protocol group and the mild stimulation protocol had lower CLBR than those in the prolonged GnRH-agonist protocol, which was statistically significant. PCOS patients with the starting dose of gonadotrophins greater than 112.5u had lower CLBR than those with less than 100u, which was statistically significant. Women with 11-15 oocytes and 16-20 oocytes had higher CLBR than women with 1-9 oocytes, which was statistically significant. CONCLUSIONS When we used Prolonged GnRH-agonist protocol, or the first starting dose of gonadotrophins was 100u-112.5u, or the number of oocytes obtained was 11-15 and 16-20, the CLBR of PCOS patients increased significantly after the 1st oocyte collection.
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Affiliation(s)
- You Li
- Reproductive Medicine Center, Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi, P. R. China
| | - Leizhen Xia
- Reproductive Medicine Center, Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi, P. R. China
| | - Zengming Li
- The Subcenter of National Clinical Research Center for Obstetrics and Gynecology, Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi Province, China
- Clinical Research Center for Obstetrics and Gynecology of Jiangxi province, Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi, P. R. China
| | - Ziyu Zhang
- The Subcenter of National Clinical Research Center for Obstetrics and Gynecology, Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi Province, China.
- Clinical Research Center for Obstetrics and Gynecology of Jiangxi province, Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi, P. R. China.
- Department of pathology, Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi, P. R. China.
| | - Ru Jiang
- Department of gynecology and obstetrics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, P. R. China.
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8
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Ip PNP, Mak JSM, Law TSM, Ng K, Chung JPW. A reappraisal of ovarian stimulation strategies used in assisted reproductive technology. HUM FERTIL 2023; 26:824-844. [PMID: 37980170 DOI: 10.1080/14647273.2023.2261627] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 07/10/2023] [Indexed: 11/20/2023]
Abstract
Ovarian stimulation is a fundamental step in assisted reproductive technology (ART) with the intention of inducing ovarian follicle development prior to timed intercourse or intra-uterine insemination and facilitating the retrieval of multiple oocytes during a single in vitro fertilization (IVF) cycle. The basis of ovarian stimulation includes the administration of exogenous gonadotropins, with or without pre-treatment with oral hormonal therapy. Gonadotropin-releasing hormone agonist or antagonist is given in addition to the gonadotropins to prevent a premature rise of endogenous luteinizing hormone that would in turn lead to premature ovulation. With the advancement in technology, various stimulation protocols have been devised to cater for different patient needs. However, ovarian hyperstimulation syndrome and its serious complications may occur following ovarian stimulation. It is also evident that suboptimal ovarian stimulation strategies may have a negative impact on oogenesis, embryo quality, endometrial receptivity, and reproductive outcomes over recent years. This review describes the various forms of pre-treatment for ovarian stimulation and stimulation protocols, and aims to provide clinicians with the latest available evidence.
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Affiliation(s)
- Patricia N P Ip
- Assisted Reproductive Technology, Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Jennifer S M Mak
- Assisted Reproductive Technology, Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Tracy S M Law
- Assisted Reproductive Technology, Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Karen Ng
- Assisted Reproductive Technology, Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Jacqueline P W Chung
- Assisted Reproductive Technology, Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong SAR, China
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Yang X, Qiu S, Jiang W, Huang Z, Shi H, Du S, Sun Y, Zheng B. Impact of thyroid autoimmunity on pregnancy outcomes in euthyroid women following fresh/frozen-thawed embryo transfer. Clin Endocrinol (Oxf) 2023. [PMID: 37096335 DOI: 10.1111/cen.14924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 02/18/2023] [Accepted: 04/16/2023] [Indexed: 04/26/2023]
Abstract
OBJECTIVE To investigate whether thyroid autoimmunity (TAI) is associated with assisted reproductive technology (ART) outcomes in euthyroid women undergoing fresh embryo transfer (ET) and frozen-thawed embryo transfer (FET). DESIGN A retrospective cohort study. Pregnancy and neonatal outcome after fresh ET or FET were compared between the positive and negative thyroid autoimmune antibody groups. PATIENTS A total of 5439 euthyroid women who started their ART cycle at our centre between 2015 and 2019 were included. RESULTS The thyroid antibody positive group had a greater mean age than the thyroid antibody negative group (32(29,35) vs. 31(28,34), p < .001). Women with positive thyroid antibody presented with a higher prevalence of diminished ovarian reserve (DOR) (9.1% vs. 7.1%, p = .026) and lower number of oocyte retrieved (9(5,15) vs. 10(6,15), p = .020), but difference was not significant after adjusting for age. The pregnancy rate, live birth rate, pregnancy loss rate, preterm delivery rate and low birthweight rate between the thyroid antibody positive and thyroid antibody negative groups were comparable both in fresh ET cycles and FET cycles. Subanalysis of the treatment outcomes when using a stricter threshold of TSH of 2.5 mIU/L showed no difference to that achieved when using an upper limit of 4.78 mIU/L. CONCLUSIONS The present study reveals that patients with anti-thyroid peroxidase antibodies (TPOAbs) and/or antithyroglobulin antibodies (TgAbs) showed no significant differences in pregnancy outcomes following fresh ET and FET when compared with patients with negative thyroid antibodies.
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Affiliation(s)
- Xiaoyan Yang
- Reproductive Medicine Center, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
- Fujian Maternal-Fetal Clinical Medicine Research Center, Fuzhou, Fujian, China
| | - Shumin Qiu
- Reproductive Medicine Center, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
| | - Wenwen Jiang
- Reproductive Medicine Center, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
| | - Zhiqing Huang
- Reproductive Medicine Center, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
| | - Hang Shi
- Reproductive Medicine Center, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
| | - Shengrong Du
- Reproductive Medicine Center, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
| | - Yan Sun
- Reproductive Medicine Center, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
| | - Beihong Zheng
- Reproductive Medicine Center, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian, China
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10
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Dong ZH, Wu T, Zhang C, Su KZ, Wu YT, Huang HF. Effect of Frozen-Thawed Embryo Transfer on the Metabolism of Children in Early Childhood. J Clin Med 2023; 12:jcm12062322. [PMID: 36983323 PMCID: PMC10057347 DOI: 10.3390/jcm12062322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/25/2023] [Accepted: 03/02/2023] [Indexed: 03/19/2023] Open
Abstract
Background: As a routine procedure in assisted reproductive technology (ART), it is crucial to assess the safety of frozen and thawed embryo transfer (FET). We aimed to investigate the metabolic profile of children conceived through FET in their early childhood. Method: A total of 147 children between the age of 1.5 and 4 years old, conceived through FET or naturally conceived (NC), were recruited. A total of 89 children, 65 in the FET group and 24 in the NC group (matched with the FET group based on children’s BMI) were included in the final statistical analysis of biochemical markers and metabolomics. Results: Children conceived through FET had a lower level of fasting insulin level and HORM-IR and a higher level of fasting glucose and APOE as compared to children naturally conceived. Metabolomics showed that there were 16 small differential metabolites, mainly including amino acids, carnitines, organic acids, butyric, and secondary bile acid between two groups, which enriched in Nitrogen metabolism, Butanoate metabolism, Phenylalanine metabolism, and D-Arginine and D-ornithine metabolism pathways. Conclusion: Although the FET group had a significantly higher level of APOE and fasting glucose, it cannot yet be considered that children in the FET group had an obvious disorder of glucose and lipid metabolism. However, the potentially more active intestinal flora and lower carnitine levels of children in the FET group suggested by metabolomics are worth further exploration.
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Affiliation(s)
- Ze-Han Dong
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, China
| | - Ting Wu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, China
| | - Chen Zhang
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, China
- Institute of Reproduction and Development, Obstetrics and Gynecology Hospital, Fudan University, Shanghai 200011, China
| | - Kai-Zhen Su
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, China
| | - Yan-Ting Wu
- Institute of Reproduction and Development, Obstetrics and Gynecology Hospital, Fudan University, Shanghai 200011, China
- Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai 200030, China
- Correspondence: (Y.-T.W.); (H.-F.H.); Tel.: +86-21-33189900 (Y.-T.W.); +86-21-64070434 (H.-F.H.)
| | - He-Feng Huang
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, China
- Institute of Reproduction and Development, Obstetrics and Gynecology Hospital, Fudan University, Shanghai 200011, China
- Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences (No. 2019RU056), Shanghai 200030, China
- Key Laboratory of Reproductive Genetics (Ministry of Education), Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou 310058, China
- Correspondence: (Y.-T.W.); (H.-F.H.); Tel.: +86-21-33189900 (Y.-T.W.); +86-21-64070434 (H.-F.H.)
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11
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Youngster M, Kedem A, Avraham S, Yerushalmi G, Baum M, Maman E, Hourvitz A, Gat I. Treatment safety of ART cycles with extremely high oestradiol concentrations using GnRH agonist trigger. Reprod Biomed Online 2023; 46:519-526. [PMID: 36566147 DOI: 10.1016/j.rbmo.2022.11.019] [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: 08/24/2022] [Revised: 10/26/2022] [Accepted: 11/28/2022] [Indexed: 12/03/2022]
Abstract
RESEARCH QUESTION Are IVF treatments with extremely high peak oestradiol levels and gonadotrophin releasing hormone (GnRH) agonist trigger associated with higher complication rates? DESIGN A retrospective cohort study including patients from two large medical centres treated between 2019 and 2021. A study group with extremely high peak oestradiol levels (≥20,000 pmol/l on the day of ovarian stimulation, or ≥15,000 pmol/l on the previous day) and a control group with normal range oestradiol levels (3000-12000 pmol/l) that received GnRH agonist triggering. Patients were surveyed about complaints and medical care related to ovum retrieval and medical files were reviewed. Major complication rates and the need for medical assistance were compared. RESULTS Several differences between the study and control group were observed because of the study design: mean age was 33.01 ± 5.14 versus 34.57 ± 4.52 (P < 0.001), mean peak oestradiol levels was 26645.34 ± 8592.57 pmol/l versus 7229.75 ± 2329.20 pmol/l (P < 0.001), and mean number of oocytes were 27.55 ± 13.46 versus 11.67 ± 5.76 (P < 0.001) for the study and control group, respectively. Major complications and hospitalization rates were similar between the study and control groups (three [1.25%] versus one [0.48%]; P = 0.62 and three [1.25%] versus two [0.96%]; P = 1.0, respectively). Thirty-six patients (15.1%) in the study group and 11 (5.3%) in the control group sought medical care after retrieval, mostly due to abdominal pain, without the need for further workup or hospitalization (P < 0.001). CONCLUSIONS Extremely high oestradiol levels were not associated with thromboembolic events, higher major complication or hospitalization rates, and therefore may be considered safe. Nevertheless, patients may be informed of possible higher rates of discomfort, mostly abdominal pain. Larger studies are warranted to confirm our results.
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Affiliation(s)
- Michal Youngster
- IVF Unit, Department of Obstetrics and Gynecology, Shamir Medical Center, Zerifin, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; IVF Unit, Herzliya Medical Centre, Herzliya, Israel.
| | - Alon Kedem
- IVF Unit, Department of Obstetrics and Gynecology, Shamir Medical Center, Zerifin, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; IVF Unit, Herzliya Medical Centre, Herzliya, Israel
| | - Sarit Avraham
- IVF Unit, Department of Obstetrics and Gynecology, Shamir Medical Center, Zerifin, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; IVF Unit, Herzliya Medical Centre, Herzliya, Israel
| | - Gil Yerushalmi
- IVF Unit, Department of Obstetrics and Gynecology, Shamir Medical Center, Zerifin, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Micha Baum
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; IVF Unit, Herzliya Medical Centre, Herzliya, Israel; IVF Unit, Department of Obstetrics and Gynecology, Sheba Medical Centre, Ramat-Gan, Israel
| | - Ettie Maman
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; IVF Unit, Herzliya Medical Centre, Herzliya, Israel; IVF Unit, Department of Obstetrics and Gynecology, Sheba Medical Centre, Ramat-Gan, Israel
| | - Ariel Hourvitz
- IVF Unit, Department of Obstetrics and Gynecology, Shamir Medical Center, Zerifin, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; IVF Unit, Herzliya Medical Centre, Herzliya, Israel
| | - Itai Gat
- IVF Unit, Department of Obstetrics and Gynecology, Shamir Medical Center, Zerifin, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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12
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Wang YN, Zheng LW, Fu LL, Xu Y, Zhang XY. Heterotopic pregnancy after assisted reproductive techniques with favorable outcome of the intrauterine pregnancy: A case report. World J Clin Cases 2023; 11:669-676. [PMID: 36793642 PMCID: PMC9923848 DOI: 10.12998/wjcc.v11.i3.669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/28/2022] [Accepted: 01/09/2023] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Heterotopic pregnancy (HP) is a rare condition in which both ectopic and intrauterine pregnancies occur. HP is uncommon after natural conception but has recently received more attention due to the widespread use of assisted reproductive techniques (ART) such as ovulation promotion therapy.
CASE SUMMARY Here, we describe a case of HP that occurred after ART with concurrent tubal and intrauterine singleton pregnancies. This was treated successfully with surgery to preserve the intrauterine pregnancy, resulting in the birth of a low-weight premature infant. This case report aims to increase awareness of the possibility of HP during routine first-trimester ultrasound examinations, especially in pregnancies resulting from ART and even if multiple intrauterine pregnancies are present.
CONCLUSION This case alerts us to the importance of comprehensive data collection during regular consultations. It is important for us to remind ourselves of the possibility of HP in all patients presenting after ART, especially in women with an established and stable intrauterine pregnancy that complain of constant abdominal discomfort and also in women with an unusually raised human chorionic gonadotropin level compared with simplex intrauterine pregnancy. This will allow symptomatic and timeous treatment of patients with better results.
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Affiliation(s)
- Ya-Nan Wang
- Department of Obstetrics and Gynecology, Reproductive Medical Center, The Second Hospital of Jilin University, Changchun 130000, Jilin Province, China
| | - Lian-Wen Zheng
- Department of Obstetrics and Gynecology, Reproductive Medical Center, The Second Hospital of Jilin University, Changchun 130000, Jilin Province, China
| | - Lu-Lu Fu
- Department of Obstetrics and Gynecology, Reproductive Medical Center, The Second Hospital of Jilin University, Changchun 130000, Jilin Province, China
| | - Ying Xu
- Department of Obstetrics and Gynecology, Reproductive Medical Center, The Second Hospital of Jilin University, Changchun 130000, Jilin Province, China
| | - Xue-Ying Zhang
- Department of Obstetrics and Gynecology, Reproductive Medical Center, The Second Hospital of Jilin University, Changchun 130000, Jilin Province, China
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13
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Di Guardo F, Pluchino N, Drakopoulos P. Treatment modalities for poor ovarian responders. Ther Adv Reprod Health 2023; 17:26334941221147464. [PMID: 36713768 PMCID: PMC9880576 DOI: 10.1177/26334941221147464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 12/06/2022] [Indexed: 01/26/2023] Open
Affiliation(s)
| | - Nicola Pluchino
- Department of Obstetrics and Gynecology,
University Hospitals of Geneva, Geneva, Switzerland
| | - Panagiotis Drakopoulos
- Centre for Reproductive Medicine, Universitair
Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium,Department of Obstetrics and Gynaecology,
Alexandria University, Alexandria, Egypt,IVF Athens, Athens, Greece
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14
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Hurley EG, Sun F, Zhang H, Polotsky AJ, Rios JS. Minimal Stimulation Using Gonadotropin-Releasing Hormone Antagonist is Associated with Higher Live Birth Rates: A National Study of 13,050 Cycles. WOMEN'S HEALTH REPORTS (NEW ROCHELLE, N.Y.) 2022; 3:957-963. [PMID: 36479370 PMCID: PMC9712044 DOI: 10.1089/whr.2022.0080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 10/07/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND The optimal protocol for minimal stimulation in vitro fertilization (IVF) has yet to be established. This study aims to determine if the use of gonadotropin-releasing hormone (GnRH) antagonist during minimal stimulation improves outcomes. MATERIALS AND METHODS All cycles designated as minimal stimulation from 2014 to 2016 from the Society for Assisted Reproductive Technology Clinic Online Reporting System were identified. Cycles in which GnRH antagonist was administered (n = 5984) were compared to those that did not receive it (n = 7066). Wilcoxon's rank-sum test and chi-square test were used to analyze continuous and categorical variables. RESULTS A total of 6750 patients undergoing 13,050 cycles were included. GnRH antagonist use was associated with a significantly higher total gonadotropin dosage (median 975.0 [interquartile range, IQR, 600.0, 1575.0] vs. median 660.0 [IQR 375.0, 975.0], p < 0.001), lower cycle cancelation rate (11.3% vs. 13.6%, p < 0.001; OR 1.24, 95% CI 1.12-1.38, p < 0.001), and higher live birth rate (4.3% vs. 2.1%, p < 0.001; OR 0.47, 95% CI 0.39-0.58, p < 0.001). GnRH antagonist use was associated with a significantly higher live birth rate in women ≥35 years of age (2.7% vs. 0.9%, p < 0.001; OR 0.34, 95% CI 0.25-0.47, p < 0.001) and antimullerian hormone <1 (4.9% vs. 2.6%, p = 0.004; OR 0.52, 95% CI 0.33-0.81, p = 0.004). CONCLUSION The use of GnRH antagonist suppression during minimal stimulation IVF is associated with an improved live birth rate, especially in older women and in women with diminished ovarian reserve. Although GnRH antagonist use may increase costs, it significantly decreases cancelation rate, increases number of embryos cryopreserved, and should be encouraged for minimal stimulation IVF.
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Affiliation(s)
- Emily G. Hurley
- Department of Reproductive Endocrinology and Infertility, University of Cincinnati, West Chester, Ohio, USA
| | - Fangbai Sun
- Department of Biostatistics, Yale University School of Public Health, New Haven, Connecticut, USA
| | - Heping Zhang
- Department of Biostatistics, Yale University School of Public Health, New Haven, Connecticut, USA
| | - Alex J. Polotsky
- Department of Obstetrics and Gynecology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Julie Sroga Rios
- Department of Reproductive Endocrinology and Infertility, University of Cincinnati, West Chester, Ohio, USA
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15
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Rababa’h AM, Matani BR, Yehya A. An update of polycystic ovary syndrome: causes and therapeutics options. Heliyon 2022; 8:e11010. [PMID: 36267367 PMCID: PMC9576888 DOI: 10.1016/j.heliyon.2022.e11010] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/19/2022] [Accepted: 10/05/2022] [Indexed: 11/06/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) is a heterogeneous disorder characterized by menstrual irregularities, chronic anovulation, hirsutism, androgenic alopecia, and acne. At diagnosis, patients can with different manifestations according to the disease phenotype, patient's age, and lifestyle. However, most patients pursue medical care because of the clinical symptoms of PCOS, such as hyperandrogenism, menstrual irregularities and infertility. Recent studies have shown that PCOS is associated with 80% of anovulatory infertility; however, the precise mechanism of PCOS-induced anovulation is still undetermined. The treatment strategies of PCOS are symptomatic depending mainly on the desired goals and clinical benefits. Life style intervention is still the first line treatment option for overweight females seeking pregnancy. In addition, there are many pharmacological agents that could be added to induce ovulation such as metformin, and clomiphene citrate. Nowadays, many patients preferred to use some herbal medicine that was proved to have potential therapeutic benefits in many studies in the management of PCOS. The purpose of this review was to discuss PCOS-induced infertility and the available therapeutic options as well as the impact of COVID-19 infection on the success of fertility attempts. To address this purpose, Pubmed, Scopus, EMBASE and Google databases were searched for studies discussing PCOS-induced infertility. The literature search revealed the proper therapeutic plans to treat PCOS-induced infertility, and that treatment should be modified according to patient's complaints, reproductive desires, and disease phenotypes. In conclusion, the use of specific therapeutic agents and patients' adherence to lifestyle interventions could help patients recover their reproductive and metabolic health.
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Affiliation(s)
- Abeer M. Rababa’h
- Department of Clinical Pharmacy; College of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Bayan R. Matani
- Department of Clinical Pharmacy; College of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Alaa Yehya
- Department of Department of Clinical Pharmacy and Pharmacy Practice Faculty of Pharmacy, Yarmouk University, Irbid, Jordan
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16
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Does the dose or type of gonadotropins affect the reproductive outcomes of poor responders undergoing modified natural cycle IVF (MNC-IVF)? Eur J Obstet Gynecol Reprod Biol 2022; 278:95-99. [PMID: 36137471 DOI: 10.1016/j.ejogrb.2022.09.005] [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: 03/31/2022] [Revised: 08/10/2022] [Accepted: 09/04/2022] [Indexed: 11/04/2022]
Abstract
OBJECTIVE Does the dose or type of gonadotropin affect the reproductive outcomes of poor responders undergoing IVF in a modified natural cycle (MNC-IVF)? STUDY DESIGN This is a retrospective cohort study including patients attending a tertiary referral University Hospital from 1st January 2017 until 1st March 2020. All predicted poor responders (Poseidon groups 3 and 4) who underwent MNC-IVF in our center were included. Mild ovarian stimulation (rFSH/uFSH/hp-hMG) was started when a follicle with a mean diameter of 12-14 mm was observed on ultrasound scan; GnRH antagonist was added from the next day onwards. Mature oocytes were inseminated using ICSI. RESULTS In total 484 patients undergoing 1398 cycles were included. Mean (SD) age and serum AMH were 38.2 (3.7) years and 0.28 (0.26) ng/ml, respectively. The daily dose of gonadotropins was either < 75 IU/d [11/1398 (0.8 %)] or 75 to < 100 IU/d [1303/1398 (93.2 %)] or ≥ 100 to 150 IU/d [84/1398 (6 %)]. Patients were stimulated with rFSH [251/1398 (18 %)], uFSH [45/1398 (3.2 %)] or hp-hMG [1102/1398 (78.8 %)]. Clinical pregnancy rate was 119/1398 (8.5 %). Live birth was achieved in 80/1398 (5.7 %) of cycles. There was no significant difference in rates of pregnancy and live birth across different types and doses of gonadotropins. The GEE multivariate regression analysis, adjusting for relevant confounders, showed that the type of treatment strategy (rFSH/uFSH/hp-hMG) and the daily dose of gonadotropins were not associated with live birth rates (LBR) (p value 0.08 and 0.8, respectively). CONCLUSIONS The type and daily dose of gonadotropins do not affect the reproductive outcome of poor responders undergoing MNC-IVF.
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17
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Ombelet W, Van Blerkom J, Nargund G, Janssen M, Jacobs P, Van der Auwera I, Dhont N, Bosmans E, Vertessen VJ, Campo R. Perinatal outcome of babies born after using a simplified IVF culture system versus ICSI with sibling oocytes: a prospective cohort study. Reprod Biomed Online 2022; 45:574-582. [PMID: 35760665 DOI: 10.1016/j.rbmo.2022.04.009] [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: 12/05/2021] [Revised: 04/07/2022] [Accepted: 04/14/2022] [Indexed: 11/25/2022]
Abstract
RESEARCH QUESTION Is there a difference in perinatal outcome in the same patient cohort for babies conceived following randomization of sibling oocytes allocated to a simplified IVF culture system (SCS) or intracytoplasmic sperm injection (ICSI) followed by conventional culturing? DESIGN The study compared the perinatal outcomes of 367 babies born from 1 January 2013 until 31 December 2020 after using split SCS and ICSI insemination of sibling oocytes in a selected group of normo-responsive women, excluding cases of severe male infertility. Primary outcome measures were preterm birth (PTB; <37 weeks' gestation), low birthweight (LBW; <2.5 kg) and small for gestational age (SGA) as a primary outcome parameter while secondary outcome measures included mean birthweight, mean gestational age, extreme prematurity (<32 weeks), very low birthweight (<1.5 kg), perinatal mortality, multiple pregnancy and Caesarean section rate. RESULTS A total of 105 and 103 singleton babies were born after fresh embryo transfer (FRET) and 71 and 50 singletons after frozen embryo transfer (FET) in the SCS and ICSI groups, respectively. For babies born after FRET, the LBW rate was 2.9% (3/105) for SCS and 7.8% (8/103) for ICSI (P = 0.10). LBW occurred in 4.2% (3/71) and 0% (0/50) of babies born after the transfer of cryopreserved-thawed SCS and ICSI embryos, respectively (P = 0.14). The rate of PTB was 3.8% and 6.8% for SCS and ICSI in FRET cycles (P = 0.33), and 8.5% and 6.0% for SCS and ICSI in FET cycles (P = 0.62). One congenital malformation was found in the SCS FET group. CONCLUSION There was no difference in perinatal outcome for singleton and twin babies born after SCS and ICSI.
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Affiliation(s)
- Willem Ombelet
- Department of Obstetrics and Gynaecology, Genk Institute for Fertility Technology, Campus St Jan, ZOL, Genk, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Agoralaan Diepenbeek, Belgium.
| | - Jonathan Van Blerkom
- Department of Molecular, Cellular and Developmental Biology, University of Colorado, Boulder Colorado, USA
| | - Geeta Nargund
- St George's University Hospital, London and Create Fertility UK, London, UK
| | - Mia Janssen
- Department of Obstetrics and Gynaecology, Genk Institute for Fertility Technology, Campus St Jan, ZOL, Genk, Belgium
| | - Petra Jacobs
- Department of Obstetrics and Gynaecology, Genk Institute for Fertility Technology, Campus St Jan, ZOL, Genk, Belgium
| | - Ingrid Van der Auwera
- Department of Obstetrics and Gynaecology, Genk Institute for Fertility Technology, Campus St Jan, ZOL, Genk, Belgium
| | - Nathalie Dhont
- Department of Obstetrics and Gynaecology, Genk Institute for Fertility Technology, Campus St Jan, ZOL, Genk, Belgium
| | - Eugene Bosmans
- Department of Obstetrics and Gynaecology, Genk Institute for Fertility Technology, Campus St Jan, ZOL, Genk, Belgium
| | - Viktor-Jan Vertessen
- Department of Obstetrics and Gynaecology, Genk Institute for Fertility Technology, Campus St Jan, ZOL, Genk, Belgium
| | - Rudi Campo
- Department of Obstetrics and Gynaecology, Genk Institute for Fertility Technology, Campus St Jan, ZOL, Genk, Belgium
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18
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Ombelet W, Van Blerkom J, Nargund G, Van der Auwera I, Janssen M, Dhont N, Bosmans E, Boshoff G, Vertessen VJ, Campo R. Multiyear outcomes using sibling oocytes demonstrates safety and efficacy of a simplified culture system consistent with use in a low-cost IVF setting. Reprod Biomed Online 2022; 45:481-490. [DOI: 10.1016/j.rbmo.2022.04.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 04/07/2022] [Accepted: 04/14/2022] [Indexed: 01/15/2023]
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19
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IVF-Lite: a smart IVF programme based on mild ovarian stimulation for good prognosis patients. Reprod Biomed Online 2022; 45:256-263. [DOI: 10.1016/j.rbmo.2022.04.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 04/04/2022] [Accepted: 04/05/2022] [Indexed: 11/24/2022]
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20
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Mild/moderate versus full stimulation. Fertil Steril 2022; 117:664-668. [DOI: 10.1016/j.fertnstert.2022.02.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 11/19/2022]
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21
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Kuroda K, Katagiri Y, Ishihara O. Optimal individualization of patient-oriented ovarian stimulation in Japanese assisted reproductive technology clinics, a review for unique setting with advanced-age patients. J Obstet Gynaecol Res 2022; 48:521-532. [PMID: 35026870 DOI: 10.1111/jog.15150] [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: 08/20/2021] [Revised: 12/13/2021] [Accepted: 01/03/2022] [Indexed: 11/28/2022]
Abstract
Ovarian stimulation is a key issue in assisted reproductive technology (ART) treatment. ART practice in Japan is unique with various types of ovarian stimulation protocols, which may contribute to lower pregnancy rates compared to other countries. This review aims to clarify optimal individualized ovarian stimulation for improving the pregnancy rate per one oocyte retrieval cycle in Japan. We performed a literature review to describe ovarian stimulation, classification of infertile women depending on ovarian reserve and response, and Japanese ART data and discussed optimal conventional and mild ovarian stimulation protocols in Japan. According to Japanese ART registry data, the live birth rate of 30-35-year-old women was 32%-37% per ET cycle; therefore, four to five embryos are calculatedly needed when aiming a cumulative live birth rate of ≥80%. Mild stimulation aimed at collecting 5-10 oocytes can be alternative choice as an optimal ovarian stimulation protocol in young women. In 40-year-old women, the live birth rate is 18.8%, resulting in eight or more embryos as necessary. Conventional stimulation must be required in women with advanced age. In poor responders, however, mild stimulation may be sufficient for maximumly extracting their ovarian function. In Japan, mild ovarian stimulation can be selected in patients with a good prognosis and poor responders; however, conventional ovarian stimulation is necessary for women in advanced age.
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Affiliation(s)
- Keiji Kuroda
- Center for Reproductive Medicine and Implantation Research, Sugiyama Clinic Shinjuku, Tokyo, Japan.,Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Yukiko Katagiri
- Department of Obstetrics and Gynecology, Faculty of Medicine, Toho University, Tokyo, Japan
| | - Osamu Ishihara
- Department of Obstetrics and Gynecology, Saitama Medical University, Saitama, Japan
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22
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Buratini J, Dellaqua TT, Dal Canto M, La Marca A, Carone D, Mignini Renzini M, Webb R. The putative roles of FSH and AMH in the regulation of oocyte developmental competence: from fertility prognosis to mechanisms underlying age-related subfertility. Hum Reprod Update 2021; 28:232-254. [PMID: 34969065 DOI: 10.1093/humupd/dmab044] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 11/18/2021] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Fertility loss during female ageing is associated with increasing basal FSH and decreasing anti-Müllerian hormone (AMH) concentrations, together with compromised oocyte quality, presumably due to increased oxidative stress (OS) and DNA damage, as well as reduced metabolic and meiotic competences. Basal FSH and AMH circulatory concentrations have been broadly utilized as IVF success predictors, regardless of fluctuations in prognostic accuracy; basal FSH and AMH perform better in pre-advanced maternal age (AMA: >35 years) and AMA patients, respectively. The relationships between FSH and AMH intrafollicular levels and IVF outcomes suggest, nevertheless, that both hormones regulate oocyte competence, supporting the hypothesis that changes in FSH/AMH levels cause, at least in part, oocyte quality degradation during ageing. To understand the reasons behind the fluctuations in FSH and AMH prognostic accuracies and to clarify their participation in mechanisms determining oocyte competence and age-related subfertility, a deeper knowledge of the regulation of FSH and AMH intrafollicular signalling during the female reproductive lifespan, and of their effects on the cumulus-oocyte complex, is required. OBJECTIVE AND RATIONALE An extensive body of information on the regulation of FSH and AMH intrafollicular availability and signalling, as well as on the control of folliculogenesis and oocyte metabolism, has been accumulated. However, these datasets have been explored within the relatively narrow boundaries of their specific subjects. Given the aforementioned gaps in knowledge and their clinical relevance, herein we integrate clinical and basic data, within a wide biological perspective, aiming to shed light on (i) the reasons for the variability in the accuracy of serum FSH and AMH as fertility markers, and on (ii) the potential roles of these hormones in mechanisms regulating oocyte quality, particularly those associated with ageing. SEARCH METHODS The PubMed database encompassing the period between 1960 and 2021 was searched. Principal search terms were FSH, FSH receptor, AMH, oocyte, maternal age, cumulus, transzonal projections (TZPs), actin, OS, redox, reactive oxygen species, mitochondria, DNA damage, DNA repair, aneuploidy, spindle, meiosis, gene expression, transcription, translation, oocyte secreted factors (OSFs), cAMP, cyclic guanosine monophosphate, natriuretic peptide C, growth differentiation factor 9, bone morphogenetic protein 15 and fibroblast growth factor. OUTCOMES Our analysis suggests that variations in the accuracy of fertility prognosis reflect a modest association between circulatory AMH levels and oocyte quality as well as increasing basal FSH inter-cycle variability with age. In addition, the basic and clinical data articulated herein support the hypothesis that increased intrafollicular FSH levels, as maternal age advances, may override the physiological protective influences of AMH and OSFs against excessive FSH signalling in cumulus cells. This would result in the disruption of oocyte homeostasis via reduced TZP-mediated transfer of cumulus-derived molecules essential for meiotic competence, gene expression, redox activity and DNA repair. WIDER IMPLICATIONS In-depth data analysis, encompassing a wide biological perspective has revealed potential causative mechanisms of age-related subfertility triggered by alterations in FSH/AMH signalling during the female reproductive life. Insights from new mechanistic models arising from this analysis should contribute to advancing our comprehension of oocyte biology in humans and serve as a valuable reference for novel AMA subfertility treatments aimed at improving oocyte quality through the modulation of AMH/FSH action.
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Affiliation(s)
- Jose Buratini
- Biogenesi Reproductive Medicine Centre-Eugin Group, Istituti Clinici Zucchi, Monza, Italy.,Clinica Eugin Modena, Modena, Italy.,Department of Structural and Functional Biology, Sao Paulo State University, Botucatu, Brazil
| | - Thaisy Tino Dellaqua
- Department of Structural and Functional Biology, Sao Paulo State University, Botucatu, Brazil
| | - Mariabeatrice Dal Canto
- Biogenesi Reproductive Medicine Centre-Eugin Group, Istituti Clinici Zucchi, Monza, Italy.,Clinica Eugin Modena, Modena, Italy
| | - Antonio La Marca
- Clinica Eugin Modena, Modena, Italy.,Department of Medical and Surgical Sciences of the Mother, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Mario Mignini Renzini
- Biogenesi Reproductive Medicine Centre-Eugin Group, Istituti Clinici Zucchi, Monza, Italy.,Clinica Eugin Modena, Modena, Italy
| | - Robert Webb
- Division of Animal Sciences, School of Biosciences, University of Nottingham, Nottinghamshire, UK
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Nakao K, Kuroda K, Horikawa T, Moriyama A, Juen H, Itakura A, Watanabe H, Takamizawa S, Ojiro Y, Nakagawa K, Sugiyama R. Therapeutic effects of an oral gonadotropin-releasing hormone receptor antagonist, relugolix, on preventing premature ovulation in mild ovarian stimulation for IVF. Reprod Med Biol 2021; 21:e12422. [PMID: 34938146 PMCID: PMC8656665 DOI: 10.1002/rmb2.12422] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 09/26/2021] [Accepted: 10/07/2021] [Indexed: 01/23/2023] Open
Abstract
Purpose Can relugolix, a novel oral gonadotropin-releasing hormone receptor (GnRH) antagonist, function as an alternative ovulation inhibitor to GnRH antagonist injections? Methods This single-center, cross-sectional retrospective study compared premature ovulation rates and clinical outcomes in IVF treatment after mild ovarian stimulation with 40 mg of relugolix (relugolix group) or 0.25-mg injections of ganirelix acetate or cetrorelix acetate (injection group) between March 2019 and January 2020. Of 247 infertile women (256 IVF cycles) aged ≤42 years, 223 women (230 cycles) were evaluated. In the relugolix and injection groups, we compared 104 and 85 cycles after GnRH antagonist use before the LH surge (LH levels <10 mIU/ml) and 22 and 19 cycles during the LH surge (LH levels ≥10 mIU/ml), respectively. Results Before the LH surge, the ovulation rates in the two groups were very low (p = 0.838), however; during the LH surge, the cycles using relugolix had a high ovulation rate of 40.9% compared with no ovulation in the injection group (p = 0.002). There were no significant differences in embryo culture findings and pregnancy outcomes between the two groups. Conclusions Although relugolix had a high ovulation suppressive effect, when the LH surge occurred, its effect was insufficient.
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Affiliation(s)
- Kazuki Nakao
- Center for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan
| | - Keiji Kuroda
- Center for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan.,Department of Obstetrics and Gynecology Faculty of Medicine Juntendo University Tokyo Japan
| | - Takashi Horikawa
- Center for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan
| | - Azusa Moriyama
- Center for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan
| | - Hiroyasu Juen
- Center for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan
| | - Akiko Itakura
- Center for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan
| | - Hideaki Watanabe
- Center for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan
| | - Satoru Takamizawa
- Center for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan
| | - Yuko Ojiro
- Center for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan
| | - Koji Nakagawa
- Center for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan
| | - Rikikazu Sugiyama
- Center for Reproductive Medicine and Implantation Research Sugiyama Clinic Shinjuku Tokyo Japan
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Celastrol and Melatonin Modify SIRT1, SIRT6 and SIRT7 Gene Expression and Improve the Response of Human Granulosa-Lutein Cells to Oxidative Stress. Antioxidants (Basel) 2021; 10:antiox10121871. [PMID: 34942974 PMCID: PMC8750604 DOI: 10.3390/antiox10121871] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 11/16/2022] Open
Abstract
An excess of oxidative stress (OS) may affect several physiological processes fundamental to reproduction. SIRT1, SIRT6 and SIRT7 are involved in protection stress systems caused by OS, and they can be activated by antioxidants such as celastrol or melatonin. In this study, we evaluate SIRT1, SIRT6 and SIRT7 gene expression in cultured human granulosa-lutein (hGL) cells in response to OS inductors (glucose or peroxynitrite) and/or antioxidants. Our results show that celastrol and melatonin improve cell survival in the presence and absence of OS inductors. In addition, melatonin induced SIRT1, SIRT6 and SIRT7 gene expression while celastrol only induced SIRT7 gene expression. This response was not altered by the addition of OS inductors. Our previous data for cultured hGL cells showed a dual role of celastrol as a free radical scavenger and as a protective agent by regulating gene expression. This study shows a direct effect of celastrol on SIRT7 gene expression. Melatonin may protect from OS in a receptor-mediated manner rather than as a scavenger. In conclusion, our results show increased hGL cells survival with melatonin or celastrol treatment under OS conditions, probably through the regulation of nuclear sirtuins' gene expression.
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Boudry L, Racca A, Tournaye H, Blockeel C. Type and dose of gonadotropins in poor ovarian responders: does it matter? Ther Adv Reprod Health 2021; 15:26334941211024203. [PMID: 34263173 PMCID: PMC8243085 DOI: 10.1177/26334941211024203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 05/07/2021] [Indexed: 12/15/2022] Open
Abstract
Infertile patients with a diminished ovarian reserve, also referred to as
poor ovarian responders, constitute a substantial and increasing
population of patients undergoing in vitro
fertilization. The management of patients with poor ovarian response
is still a controversial issue. Almost a century has passed since the
introduction of the first gonadotropin. A broad collection of urinary
and recombinant gonadotropins, including biosimilars, is commercially
available now. Despite great advances in assisted reproductive
technology, there remains uncertainty about the optimal treatment
regimen for ovarian stimulation in poor ovarian responders. Although
oocyte donation is the most successful and ultimate remedy for poor
ovarian responders, most patients persist on using their own oocytes
in several attempts, to achieve the desired pregnancy. The aim of this
review is twofold: first, to provide an overview of the commercially
available gonadotropins and summarize the available evidence
supporting the use of one or another for ovarian stimulation in poor
ovarian responders, and second, to address the controversies on the
dosage of gonadotropins for this specific in vitro
fertilization population.
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Affiliation(s)
- Liese Boudry
- Centre for Reproductive Medicine, Universitair Ziekenhuis Brussel, 1090, Brussels, Belgium
| | - Annalisa Racca
- Department of Obstetrics, Gynecology and Reproduction, Hospital Universitari Dexeus, Barcelona, Spain
| | - Herman Tournaye
- Centre for Reproductive Medicine, Universitair Ziekenhuis Brussel, Brussels, Belgium; Department of Obstetrics, Gynecology, Perinatology and Reproduction, Institute of Professional Education, Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Christophe Blockeel
- Centre for Reproductive Medicine, Universitair Ziekenhuis Brussel, Brussels, Belgium; Department of Obstetrics and Gynaecology, University of Zagreb, Zagreb, Croatia
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Celastrol Prevents Oxidative Stress Effects on FSHR, PAPP, and CYP19A1 Gene Expression in Cultured Human Granulosa-Lutein Cells. Int J Mol Sci 2021; 22:ijms22073596. [PMID: 33808393 PMCID: PMC8037896 DOI: 10.3390/ijms22073596] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/26/2021] [Accepted: 03/27/2021] [Indexed: 12/31/2022] Open
Abstract
Regulation of oxidative stress (OS) is important to prevent damage to female reproductive physiology. While normal OS levels may have a regulatory role, high OS levels may negatively affect vital processes such as folliculogenesis or embryogenesis. The aim of this work was to study OS induced by glucose, a reactive oxygen species generator, or peroxynitrite, a reactive nitrogen species generator, in cultured human granulosa-lutein (hGL) cells from oocyte donors, analyzing expression of genes involved in oocyte maturation (FSHR, PAPP, and CYP19A1) and OS damage response (ALDH3A2). We also evaluated the effect of celastrol as an antioxidant. Our results showed that although both glucose and peroxynitrite produce OS increments in hGL cells, only peroxynitrite treatment increases ALDH3A2 and PAPP gene expression levels and decreases FSHR gene expression levels. Celastrol pre-treatment prevents this effect of peroxynitrite. Interestingly, when celastrol alone was added, we observed a reduction of the expression of all genes studied, which was independent of both OS inductors. In conclusion, regulation of OS imbalance by antioxidant substances such as celastrol may prevent negative effects of OS in female fertility. In addition to the antioxidant activity, celastrol may well have an independent role on regulation of gene expression in hGL cells.
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Datta AK, Campbell S, Felix N, Singh JSH, Nargund G. Oocyte or embryo number needed to optimize live birth and cumulative live birth rates in mild stimulation IVF cycles. Reprod Biomed Online 2021; 43:223-232. [PMID: 34140227 DOI: 10.1016/j.rbmo.2021.02.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 01/11/2021] [Accepted: 02/18/2021] [Indexed: 11/30/2022]
Abstract
RESEARCH QUESTION How many oocytes or embryos are needed to optimize the live birth rate (LBR) per cycle and cumulative LBR (CLBR) following mild stimulation IVF (MS-IVF) in women with uncompromised ovarian reserve? DESIGN Retrospective analysis of a 4-year database of five fertility centres. The study population included women with normal/high ovarian reserve, who underwent autologous MS-IVF (daily ≤150 IU gonadotrophin) with fresh and subsequent frozen embryo transfer(s) (FET) from surplus embryos. Only the first cycle of each patient was included. Cycles with >150 IU daily average of gonadotrophin were excluded. 'Freeze-all embryo' (FAE) cycles were analysed separately. RESULTS A total of 862 consecutive cycles fulfilled the inclusion criteria; 592 were eligible for fresh embryo transfer, 239 had non-elective 'freeze-all' cycles. Median age (25-75th percentile) of women who had fresh embryo transfer was 35 (32-37) years, median antral follicle count 19 (14-28) and anti-Müllerian hormone 19.2 (13-28.9) pmol/l. LBR/fresh cycle and CLBR inclusive of FAE cycles in the <35, 35-37, 38-39 and 40-42 year age groups were 37.8% and 45.1%, 36.0% and 41.6%, 18.4% and 29.1%, and 8.9% and 18.1%, respectively. The LBR following fresh embryo transfer plateaued after nine oocytes (40.3%) or four embryos (40.8%). The CLBR optimized when 12 oocytes (42.9%) or nine embryos (53.8%) were obtained. The LBR per oocyte peaked in women under 35 years when <5 oocytes were retrieved (11.4%), then declined with age and with higher oocyte yield. There were no cases of severe ovarian hyperstimulation syndrome (OHSS). CONCLUSION Nine oocytes, or four embryos, can optimize fresh transfer cycle LBR in MS-IVF. The CLBR are optimized with 12 oocytes, or nine embryos in predicted normal responders, while safeguarding against OHSS.
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Affiliation(s)
| | | | | | | | - Geeta Nargund
- CREATE Fertility, London, UK; St George's Hospital, London, UK
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Datta AK, Maheshwari A, Felix N, Campbell S, Nargund G. Mild versus conventional ovarian stimulation for IVF in poor, normal and hyper-responders: a systematic review and meta-analysis. Hum Reprod Update 2021; 27:229-253. [PMID: 33146690 PMCID: PMC7902993 DOI: 10.1093/humupd/dmaa035] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 07/06/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Mild ovarian stimulation has emerged as an alternative to conventional IVF with the advantages of being more patient-friendly and less expensive. Inadequate data on pregnancy outcomes and concerns about the cycle cancellation rate (CCR) have prevented mild, or low-dose, IVF from gaining wide acceptance. OBJECTIVE AND RATIONALE To evaluate parallel-group randomised controlled trials (RCTs) on IVF where comparisons were made between a mild (≤150 IU daily dose) and conventional stimulation in terms of clinical outcomes and cost-effectiveness in patients described as poor, normal and non-polycystic ovary syndrome (PCOS) hyper-responders to IVF. SEARCH METHODS Searches with no language restrictions were performed using Medline, Embase, Cochrane central, Pre-Medicine from January 1990 until April 2020, using pre-specified search terms. References of included studies were hand-searched as well as advance access articles to key journals. Only parallel-group RCTs that used ≤150 IU daily dose of gonadotrophin as mild-dose IVF (MD-IVF) and compared with a higher conventional dose (CD-IVF) were included. Studies were grouped under poor, normal or hyper-responders as described by the authors in their inclusion criteria. Women with PCOS were excluded in the hyper-responder group. The risk of bias was assessed as per Cochrane Handbook for the included studies. The quality of evidence (QoE) was assessed according to the GRADE system. PRISMA guidance was followed for review methodology. OUTCOMES A total of 31 RCTs were included in the analysis: 15 in the poor, 14 in the normal and 2 in the hyper-responder group. Live birth rates (LBRs) per randomisation were similar following use of MD-IVF in poor (relative risk (RR) 0.91 (CI 0.68, 1.22)), normal (RR 0.88 (CI 0.69, 1.12)) and hyper-responders (RR 0.98 (CI 0.79, 1.22)) when compared to CD-IVF. QoE was moderate. Cumulative LBRs (5 RCTs, n = 2037) also were similar in all three patient types (RR 0.96 (CI 0.86 1.07) (moderate QoE). Risk of ovarian hyperstimulation syndrome was significantly less with MD-IVF than CD-IVF in both normal (RR 0.22 (CI 0.10, 0.50)) and hyper-responders (RR 0.47 (CI 0.31, 0.72)), with moderate QoE. The CCRs were comparable in poor (RR 1.33 (CI 0.96, 1.85)) and hyper-responders (RR 1.31 (CI 0.98, 1.77)) but increased with MD-IVF among normal responders (RR 2.08 (CI 1.38, 3.14)); all low to very low QoE. Although fewer oocytes were retrieved and fewer embryos created with MD-IVF, the proportion of high-grade embryos was similar in all three population types (low QoE). Compared to CD-IVF, MD-IVF was associated with less gonadotrophin use and lower cost. WIDER IMPLICATIONS This updated review provides reassurance on using MD-IVF not only for the LBR per cycle but also for the cumulative LBR, with moderate QoE. With risks identified with 'freeze-all' strategies, it may be time to recommend mild-dose ovarian stimulation for IVF for all categories of women i.e. hyper, poor and normal responders to IVF.
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Affiliation(s)
| | | | | | - Stuart Campbell
- St George’s University of London, London, UK
- Create Fertility, London, UK
| | - Geeta Nargund
- Create Fertility, London, UK
- St Georges University Hospitals NHS Trust London, London, UK
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Tu X, You B, Jing M, Lin C, Zhang R. Progestin-Primed Ovarian Stimulation Versus Mild Stimulation Protocol in Advanced Age Women With Diminished Ovarian Reserve Undergoing Their First In Vitro Fertilization Cycle: A Retrospective Cohort Study. Front Endocrinol (Lausanne) 2021; 12:801026. [PMID: 35140685 PMCID: PMC8818948 DOI: 10.3389/fendo.2021.801026] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Accepted: 12/08/2021] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To assess and compare the feasibility of progestin-primed ovarian stimulation (PPOS) protocol with mild stimulation protocol for advanced age women with diminished ovarian reserve (DOR) undergoing their first in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) cycle. METHODS Patients aged ≥35 years and DOR undergoing their first IVF/ICSI cycle were enrolled in this retrospective cohort study: 139 and 600 patients underwent the PPOS and mild stimulation protocols, respectively. The primary outcomes were cumulative clinical pregnancy rate (CCPR) and cumulative live birth rate (CLBR). The secondary outcomes were the number of oocytes retrieved and top-quality embryos. RESULTS There was nearly no significant difference of baseline characteristics between the two groups. Although a greater amount of total gonadotropin (1906.61 ± 631.04 IU vs. 997.72 ± 705.73 IU, P<0.001) and longer duration of stimulation (9 (10-7) vs. 6 (8-4), P<0.001) were observed in the PPOS group, the number of retrieved oocytes (3 (6-2) vs. 2 (4-1), P<0.001) and top-quality embryos (1 (2-0) vs. 1 (2-0), P=0.038) was greater in the PPOS group than the mild stimulation group. Meanwhile, the incidence of premature luteinizing hormone (LH) surge rate was significantly lower in the PPOS group (0.7% vs.8.3%, P=0.001) than the mild stimulation group. However, there was no significant difference in conservative CCPR, conservative CLBR, optimistic CCPR, and optimistic CLBR between the two groups (all P>0.05). A multivariate logistic regression model showed significant positive effects of the number of retrieved oocytes and number of top-quality embryos on conservative CCPR (OR=1.236, 95%CI: 1.048-1.456, P=0.012, OR=2.313, 95%CI: 1.676-3.194, P<0.001) and conservative CLBR (OR=1.250, 95%CI: 1.036-1.508, P=0.020, OR=2.634, 95%CI: 1.799-3.857, P<0.001) respectively, while significant negative effects of age were identified for conservative CCPR (OR=0.805, 95%CI: 0.739-0.877, P<0.001) and conservative CLBR (OR=0.797, 95%CI: 0.723-0.879, P<0.001). CONCLUSION The PPOS protocol is an effective alternative to the mild stimulation protocol for advanced age patients with DOR, as it provides comparable reproductive outcomes and better control of premature LH surge. Further, more oocytes and top-quality embryos were obtained in the PPOS group, which had a positive association with conservative CCPR and CLBR.
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30
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Pennings G. Mild stimulation should be mandatory for oocyte donation. Hum Reprod 2020; 35:2403-2407. [DOI: 10.1093/humrep/deaa227] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/08/2020] [Indexed: 01/05/2023] Open
Abstract
ABSTRACT
The increasing commercialization of oocyte donation is a source of concern. This evolution is expressed in the fact that oocyte donors’ interests are not a priority. For decades now, people mention that oocyte donation holds serious health risks for donors, as if this is an unavoidable given. However, most of the harm is caused by high hormonal stimulation. The risk/benefit balance of high stimulation compared to the risk/benefit balance of mild stimulation does not justify causing greater harm to donors, especially given the fact that donors submit to the procedure without any medical benefit for themselves and to help others.
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Affiliation(s)
- Guido Pennings
- Department of Philosophy and Moral Science, Bioethics Institute Ghent (BIG), Ghent University, Gent, Belgium
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Kuroda K, Nagai S, Ikemoto Y, Matsumura Y, Ochiai A, Nojiri S, Itakura A, Sugiyama R. Incidences and risk factors of moderate-to-severe ovarian hyperstimulation syndrome and severe hemoperitoneum in 1,435,108 oocyte retrievals. Reprod Biomed Online 2020; 42:125-132. [PMID: 33051135 DOI: 10.1016/j.rbmo.2020.09.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 08/27/2020] [Accepted: 09/01/2020] [Indexed: 10/23/2022]
Abstract
RESEARCH QUESTION What are the risk factors affecting the incidences of moderate-to-severe ovarian hyperstimulation syndrome (OHSS) and severe hemoperitoneum in assisted reproductive technology (ART) treatment cycles? DESIGN A retrospective cohort study was conducted on 1,435,108 oocyte retrieval cycles among Japanese ART registry data between 2007 and 2015. The study included 11,378 cycles with moderate-to-severe OHSS, 1182 cycles with severe hemoperitoneum, including 27 cycles with both conditions, and 1,422,575 cycles without moderate-to-severe OHSS and severe hemoperitoneum. RESULTS The incidences of moderate-to-severe OHSS and severe hemoperitoneum were 0.79% and 0.08%, respectively, and decreased by 0.57-fold and 0.29-fold from 2007 to 2015, respectively. In cycles with OHSS and cycles with hemoperitoneum women were younger (odds ratios [OR] 0.91 and 0.95, respectively) and had more retrieved oocytes (OR 1.09 and 1.01, respectively) compared with cycles without both complications. The use of a gonadotrophin-releasing hormone (GnRH) agonist protocol for ovarian stimulation was the highest risk factor in cycles with OHSS and hemoperitoneum (OR 1.83 and 1.24, respectively), followed by GnRH antagonist protocol (reference), gonadotrophin with or without oral medicine (OR 0.45 and 0.56, respectively) and natural or oral medicine (OR 0.02 and 0.19, respectively). In fresh embryo transfer, clinical pregnancy was associated with an increased risk of OHSS and hemoperitoneum (OR 1.19 and 2.34, respectively). CONCLUSIONS The highest risk factors affecting OHSS and hemoperitoneum were the use of a GnRH agonist protocol and clinical pregnancy following fresh embryo transfer. The incidences of OHSS and hemoperitoneum have decreased yearly with a reduction of GnRH agonist use and fresh embryo transfer.
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Affiliation(s)
- Keiji Kuroda
- Center for Reproductive Medicine and Implantation Research, Sugiyama Clinic Shinjuku, Tokyo 116-0023, Japan; Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Tokyo 113-8421, Japan.
| | - Saki Nagai
- Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Tokyo 113-8421, Japan
| | - Yuko Ikemoto
- Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Tokyo 113-8421, Japan
| | - Yuko Matsumura
- Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Tokyo 113-8421, Japan
| | - Asako Ochiai
- Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Tokyo 113-8421, Japan
| | - Shuko Nojiri
- Medical Technology Innovation Center, Juntendo University, Tokyo 113-8421, Japan; Clinical Research and Trial Center, Juntendo University Hospital, Tokyo 113-8421, Japan
| | - Atsuo Itakura
- Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Tokyo 113-8421, Japan
| | - Rikikazu Sugiyama
- Center for Reproductive Medicine and Implantation Research, Sugiyama Clinic Shinjuku, Tokyo 116-0023, Japan
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Racca A, Drakopoulos P, Neves AR, Polyzos NP. Current Therapeutic Options for Controlled Ovarian Stimulation in Assisted Reproductive Technology. Drugs 2020; 80:973-994. [DOI: 10.1007/s40265-020-01324-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Karakida S, Ezoe K, Fukuda J, Yabuuchi A, Kobayashi T, Kato K. Effects of gonadotropin administration on clinical outcomes in clomiphene citrate-based minimal stimulation cycle IVF. Reprod Med Biol 2020; 19:128-134. [PMID: 32273817 PMCID: PMC7138936 DOI: 10.1002/rmb2.12310] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 11/22/2019] [Accepted: 11/26/2019] [Indexed: 12/29/2022] Open
Abstract
PURPOSE Exogenous gonadotropins (EGn) have been used occasionally in clomiphene citrate (CC)-based minimal stimulation cycles to compensate insufficient secretion of endogenous gonadotropin; however, the effectiveness of EGn supplementation remains unknown. In the present study, we assessed whether EGn improved pregnancy outcomes in CC-based minimal stimulation cycles. METHODS A total of 223 patients treated with CC and EGn (CC-EGn group) were matched one to one to patients treated with CC only (CC group) by propensity score matching. Embryonic and pregnancy outcomes were retrospectively compared between the groups. RESULTS The numbers of retrieved oocytes, fertilized oocytes, cleaved embryos, and cryopreserved blastocysts were increased in the CC-EGn group compared with the CC group. However, the cumulative live birthrate was comparable between the two groups. Although the increased number of retrieved oocytes was correlated significantly with improvement of the cumulative live birthrate in both groups, the correlation tended to be lower in the CC-EGn group than in the CC group (odds ratio, 1.193 vs 1.553). CONCLUSIONS In CC-based minimal stimulation cycles, the stimulation should be started with CC only, and EGn administration should be scheduled only if insufficient secretion of endogenous gonadotropin is observed in the late follicular phase.
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Datta AK, Maheshwari A, Felix N, Campbell S, Nargund G. Mild versus conventional ovarian stimulation for IVF in poor responders: a systematic review and meta-analysis. Reprod Biomed Online 2020; 41:225-238. [PMID: 32546333 DOI: 10.1016/j.rbmo.2020.03.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 02/04/2020] [Accepted: 03/03/2020] [Indexed: 12/14/2022]
Abstract
Mild ovarian stimulation is a treatment option for poor responders in IVF treatment. Our updated review evaluated mild IVF solely from randomized controlled trials (RCTs) that used genuine low-dose gonadotrophin (≤150 IU daily) alone or in combination with oral medications, comparing it with conventional-dose (>150 IU/ daily) IVF for poor responders. Electronic searches on MEDLINE, Embase, The Cochrane Central Register of Controlled Trials and PreMEDLINE, and hand searches from 2002 up to 31 January 2019, identified 14 RCTs, which were compiled with the above inclusion criteria. The risk of bias (ROB) and quality of evidence (QOE) were assessed as per Cochrane Collaboration. Meta-analyses found no difference in live birth rate (four RCTs, n = 1057, RR 0.91, CI 0.66 to 1.25) (moderate QOE), ongoing pregnancy rate (six RCTs, n = 1782, RR 1.01, CI 0.86 to 1.20) (moderate-high QOE) and cycle cancellation rates (14 RCTs, n = 2746, RR 1.38, CI 0.99 to 1.92) (low QOE). Fewer oocytes and embryos were obtained from mild IVF; however, the number and proportion of high-grade embryos were similar. Mild IVF resulted in reduced gonadotrophin use and cost. The inference remained unchanged when smaller studies with ROB were excluded, or whether gonadotrophin alone or combination with oral medication was used. The evidence of equal efficacy from a pooled population, which was adequately powered for live birth, supported a mild IVF strategy for poor responders in preference to more expensive conventional IVF. Although clinical heterogeneity remained a limiting factor, it increased the generalizability of the findings.
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Affiliation(s)
- Adrija Kumar Datta
- CREATE Fertility, 6270 Bishops Court, Birmingham Business Park, Solihull Parkway, Birmingham B37 7YB, UK.
| | - Abha Maheshwari
- Aberdeen Fertility Centre, NHS Grampian, Foresterhill, Aberdeen, AB25 2ZL and University of Aberdeen, UK
| | - Nirmal Felix
- CREATE Fertility, 6270 Bishops Court, Birmingham Business Park, Solihull Parkway, Birmingham B37 7YB, UK
| | - Stuart Campbell
- CREATE Fertility, 150 Cheapside, London EC2V 6ET, UK and St George's University of London, UK
| | - Geeta Nargund
- CREATE Fertility, 150 Cheapside, London EC2V 6ET, UK and St George's University Hospitals NHS Trust, London, UK
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Djaali W, Abdurrohim K, Helianthi DR. Management of Acupuncture as Adjuvant Therapy for In Vitro Fertilization. Med Acupunct 2019; 31:361-365. [PMID: 31871523 DOI: 10.1089/acu.2019.1394] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
One treatment option for couples with infertility that enables the highest success rate is in vitro fertilization (IVF). With this technique, various causes of infertility can be overcome, whether they are caused by anatomical abnormalities in women or abnormalities of sexual dysfunction in men. Acupuncture, a nonpharmacologic therapy with minimal side-effects, according to various studies is be beneficial for increasing the success of IVF. There are several mechanisms of acupuncture related to this, such as: (1) modulating neuroendocrine factors; (2) increasing blood flow to the uterus and ovaries; (3) modulating immune factors; and (4) reducing stress, anxiety, and depression. Because acupuncture does not have bad side-effects, it is an adjuvant therapy that can be performed at each stage of the IVF procedure to increase the chances of successful IVF.
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Affiliation(s)
- Wahyuningsih Djaali
- Faculty of Sport Science, Universitas Negeri Jakarta, Jakarta, Indonesia.,Department of Medical Acupuncture, Faculty of Medicine, Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Kemas Abdurrohim
- Department of Medical Acupuncture, Faculty of Medicine, Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Dwi Rachma Helianthi
- Department of Medical Acupuncture, Faculty of Medicine, Universitas Indonesia, Dr. Cipto Mangunkusumo Hospital, Jakarta, Indonesia
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Peng Q, Cao X, Wang J, Wang L, Xu J, Ji X, Liu S, Zhu J, Dong X. Progestin-primed ovarian stimulation vs mild stimulation in women with advanced age above 40: a retrospective cohort study. Reprod Biol Endocrinol 2019; 17:91. [PMID: 31706340 PMCID: PMC6842539 DOI: 10.1186/s12958-019-0518-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 08/27/2019] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Previous studies have demonstrated that progestin-primed ovarian stimulation (PPOS) protocol was a feasible and efficient method in in vitro fertilization (IVF) cycle. However, its application in women with advanced age has not been determined yet. The purpose of this study was to investigate its efficacy in women aged ≥40 years old. METHODS This retrospective cohort study included patients with ages of ≥40 years old at the time of ovarian stimulation. The embryonic and clinical outcome of mild stimulation and PPOS were compared. Primary outcome was top-quality embryo rate on day 3, and secondary outcome was clinical pregnancy rate. RESULTS Baseline characteristics of patients was similar in mild stimulation (122 cycles) and PPOS (47 cycles). No significant difference was found in the number of retrieved and mature oocytes and the fertilization and cleavage rates. Of interest, the rate of top-quality embryos was significantly higher in PPOS group (50.08% vs 33.29%, p = 0.015), with an increasing trend of viable embryo rate (73.55% vs 61.16%). A greater amount of gonadotropin was observed in PPOS group (2061.17 ± 1254.63 IU vs 1518.14 ± 547.25 IU, p < 0.05) in spite of comparable duration of stimulation. After FET cycle, no significant difference was found in the clinical pregnancy rates between mild stimulation (12.5%) and PPOS group (16.7%). CONCLUSIONS Higher percentage of top-quality embryos on Day 3 and comparable clinical pregnancy rate was obtained in PPOS protocol, which could be considered as a feasible ovarian stimulation protocol in women aged above 40 years old.
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Affiliation(s)
- Qian Peng
- Reproductive medicine centre, Zhongshan hospital, Fudan University, Shanghai, China
| | - Xiang Cao
- Reproductive medicine centre, Zhongshan hospital, Fudan University, Shanghai, China
| | - Jing Wang
- Reproductive medicine centre, Zhongshan hospital, Fudan University, Shanghai, China
| | - Lin Wang
- Reproductive medicine centre, Zhongshan hospital, Fudan University, Shanghai, China
| | - Jun Xu
- Reproductive medicine centre, Zhongshan hospital, Fudan University, Shanghai, China
| | - Xiaowei Ji
- Reproductive medicine centre, Zhongshan hospital, Fudan University, Shanghai, China
| | - Suying Liu
- Reproductive medicine centre, Zhongshan hospital, Fudan University, Shanghai, China
| | - Jin Zhu
- Department of Obstetrics and Gynecology, Shanghai Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China.
| | - Xi Dong
- Reproductive medicine centre, Zhongshan hospital, Fudan University, Shanghai, China.
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Pirtea P, de Ziegler D, Poulain M, Ayoubi JM. New Twists in Ovarian Stimulation and Their Practical Implications. Front Med (Lausanne) 2019; 6:197. [PMID: 31555650 PMCID: PMC6737035 DOI: 10.3389/fmed.2019.00197] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/21/2019] [Indexed: 01/07/2023] Open
Abstract
Ovarian stimulation (OS) has for objective to induce multiple ovulation in order to yield a multiple oocyte harvest and offer multiple embryos available for transfer thereby increasing the efficacy of ART. Originally, the primary risk associated with OS was the occurrence of frank ovarian hyperstimulation syndrome (OHSS), a possibly dreadful—sometime fatal—complication of ART. These fears limited the number of oocytes aimed for during OS in order to curb the risk of OHSS. On the contrary, the meager implantation rates of the early days of ART led to easily transfer multiple embryos in order to achieve acceptable pregnancy rates. Today the perspectives have changed. The advent of antagonist-based OS protocol and the possibility to trigger the ultimate phase of oocyte maturation with GnRH-a has allowed to reduce the risk of OHHS. Conversely, the markedly increased implantation rates of today's ART makes multiple pregnancy a worry that has come in the limelight worldwide, pushing the practice of single embryo transfer (SET).
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Affiliation(s)
- Paul Pirtea
- Department of Ob Gyn and Reproductive Medicine, Hopital Foch-Faculté de Medicine Paris Ouest (UVSQ), Suresnes, France
| | - Dominique de Ziegler
- Department of Ob Gyn and Reproductive Medicine, Hopital Foch-Faculté de Medicine Paris Ouest (UVSQ), Suresnes, France
| | - Marine Poulain
- Department of Ob Gyn and Reproductive Medicine, Hopital Foch-Faculté de Medicine Paris Ouest (UVSQ), Suresnes, France
| | - Jean Marc Ayoubi
- Department of Ob Gyn and Reproductive Medicine, Hopital Foch-Faculté de Medicine Paris Ouest (UVSQ), Suresnes, France
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Rodriguez-Purata J, Martinez F. Ovarian stimulation for preimplantation genetic testing. Reproduction 2019; 157:R127-R142. [PMID: 30689547 DOI: 10.1530/rep-18-0475] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 01/28/2019] [Indexed: 11/08/2022]
Abstract
A narrative review of the management of controlled ovarian stimulation in patients undergoing preimplantation genetic testing is presented. An electronic search was performed to identify research publications that addressed ovarian stimulation and preimplantation genetic testing published until December 2017. Studies were classified in decreasing categories: randomized controlled trials, prospective controlled trials, prospective non-controlled trials, retrospective studies and experimental studies. The aim of controlled ovarian stimulation has shifted from obtaining embryos available for transfer to yielding the maximum embryos available for biopsy to increase the odds of achieving one euploid embryo available for transfer, without the distress of inducing ovarian hyperstimulation syndrome or inadequate endometrium receptivity as vitrification and deferred embryo transfer usually will be planned. The present narrative review summarizes all treatment-related variables as well as stimulation strategies after controlled ovarian stimulation that could help patients undergoing an in vitro fertilization cycle coupled with preimplantation genetic testing, including the number of oocytes needed to achieve one healthy live birth, oral contraceptive pill usage, the role of mild ovarian stimulation or random-start stimulation, the stimulation protocol and type of gonadotropin of choice, the novel progesterone protocols, agonist or dual trigger as a final oocyte maturation trigger, the accumulation of oocytes/embryos and the optimal interval before proceeding with a subsequent controlled ovarian stimulation or the optimal medication to link stimulation cycles. The discussion is being presented according to how questions are posed in clinical practice. The aim of ovarian stimulation has shifted from obtaining embryos available for transfer to yielding the maximum embryos available for biopsy to increase the odds of achieving one euploid embryo available for transfer.
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Kushnir VA, Darmon SK, Barad DH, Gleicher N. Observational retrospective study of US national utilisation patterns and live birth rates for various ovarian stimulation protocols for in vitro fertilisation. BMJ Open 2018; 8:e023124. [PMID: 30413508 PMCID: PMC6231596 DOI: 10.1136/bmjopen-2018-023124] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
OBJECTIVE Alternative ovarian stimulation protocols for in vitro fertilisation (IVF) have grown in popularity. Yet, patient populations best suited for these protocols have not been defined. Our objective was, therefore, to determine national IVF utilisation patterns and live birth rates of various ovarian stimulation protocols. DESIGN Retrospective cohort study. SETTING Academic-affiliated private fertility centre. PARTICIPANTS Aggregate data published by Society for Assisted Reproductive Technology for autologous IVF cycles performed in the USA during 2014 and 2015 were analysed. IVF cycles were stratified based on ovarian stimulation protocol: 205 705 conventional stimulations, 4397 minimal stimulations, 2785 natural cycles and 514 in vitro maturation (IVM) cycles. Repeat cycles could not be determined in this analysis. OUTCOME MEASURES Utilisation patterns and age-specific live birth rates for various ovarian stimulation protocols. RESULTS With advancing female age, utilisation of conventional stimulation protocols decreased, while minimal stimulation and natural cycle IVF increased. Diminished ovarian reserve diagnoses were in all age groups less prevalent in patients undergoing conventional stimulation than with all other protocols. Live birth rates were highest with conventional stimulation at 42.4%, 33.1%, 22.1%, 11.7% and 3.9% for <35, 35-37, 38-40, 41-42 and >42 female age groups, respectively. The difference in live birth rates between conventional stimulation and other protocols widened with advancing age from 1.6-fold to 3.9-fold among women <35 years of age, reaching 4.4-fold to 6.6-fold among women >42 years of age. CONCLUSIONS In comparison to conventional stimulation IVF-minimal stimulation, natural cycle IVF and IVM protocols offer lower but still acceptable live birth rates among young women. These alternative protocols are frequently used in older women and those with diminished ovarian reserve, despite their lower live birth rates. The reasons for this apparent incongruity warrant further careful exploration.
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Affiliation(s)
- Vitaly A Kushnir
- Center for Human Reproduction, New York, New York, USA
- Department of Obstetrics and Gynecology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | | | - David H Barad
- Center for Human Reproduction, New York, New York, USA
- Foundation for Reproductive Medicine, New York, New York, USA
| | - Norbert Gleicher
- Center for Human Reproduction, New York, New York, USA
- Foundation for Reproductive Medicine, New York, New York, USA
- Stem Cell Biology and Molecular Embryology Laboratory, The Rockefeller University, New York, New York, USA
- Department of Obstetrics and Gynecology, Medical University of Vienna, Vienna, Austria
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D'Amato G, Caringella AM, Stanziano A, Cantatore C, Palini S, Caroppo E. Mild ovarian stimulation with letrozole plus fixed dose human menopausal gonadotropin prior to IVF/ICSI for infertile non-obese women with polycystic ovarian syndrome being pre-treated with metformin: a pilot study. Reprod Biol Endocrinol 2018; 16:89. [PMID: 30217209 PMCID: PMC6137735 DOI: 10.1186/s12958-018-0405-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 08/28/2018] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Letrozole is widely employed as ovulation induction agent in women with PCOS, but its use in mild stimulation (MS) protocols for IVF is limited. Aim of the present study was to evaluate the feasibility of a MS protocol with letrozole plus hMG in non-obese PCOS women undergoing IVF after a metformin pre-treatment. METHODS We retrospectively evaluated the data of 125 non-obese PCOS undergoing MS with letrozole plus hMG, 150 IU as starting dose, (group 1, N = 80) compared to those undergoing a conventional IVF stimulation protocols (CS) (group 2, N = 45) prior to IVF. All patients had received metformin extended release 1200-2000 mg daily for three to six months before IVF. GnRH antagonist was administered in both groups when the leading follicles reached 14 mm. RESULTS Both groups were comparable for age, BMI and ovarian reserve markers. Both groups showed lower than expected AFC and AMH values as a consequence of metformin pre-treatment. Letrozole-treated patients required a significantly lower amount of gonadotropins units (p < 0.0001), and showed significantly lower day 5, day 8 and hCG day E2 levels compared to patients undergoing the CS protocol (p < 0.0001, p < 0.0001 and p = 0.001 respectively). The oocyte yield, in terms of total (6, IQR 3, vs 6, IQR 4 respectively,) and MII oocytes (5, IQR 3, vs 5, IQR 3, respectively) number, did not differ among groups; the number of total (3, IQR 2, vs 3, IQR 1 respectively) and good quality embryos (2, IQR1 vs 2, IQR 1,5 respectively) obtained was comparable as well in the two groups. The number of fresh transfers was significantly higher in group 1 compared to group 2 (80% vs 60%, p = 0.016). A trend for higher cumulative clinical pregnancy rate was found in women undergoing MS compared to CS (42.5%vs 24,4%, p = 0.044), but the study was not powered to detect this difference. CONCLUSIONS The present study suggests that the use of letrozole as adjuvant treatment to MS protocols for IVF may be an effective alternative to CS protocols for non-obese PCOS patients pre-treated with metformin, as it provides comparable IVF outcome without requiring high FSH dose, and avoiding supraphysiological estradiol levels.
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Affiliation(s)
- Giuseppe D'Amato
- Asl Bari, Department of Maternal and Child Health, Reproductive and IVF Unit, Conversano, BA, Italy
| | - Anna Maria Caringella
- Asl Bari, Department of Maternal and Child Health, Reproductive and IVF Unit, Conversano, BA, Italy
| | - Antonio Stanziano
- Asl Bari, Department of Maternal and Child Health, Reproductive and IVF Unit, Conversano, BA, Italy
| | - Clementina Cantatore
- Asl Bari, Department of Maternal and Child Health, Reproductive and IVF Unit, Conversano, BA, Italy
| | - Simone Palini
- Asl Bari, Department of Maternal and Child Health, Reproductive and IVF Unit, Conversano, BA, Italy
| | - Ettore Caroppo
- Asl Bari, Department of Maternal and Child Health, Reproductive and IVF Unit, Conversano, BA, Italy.
- ASL Bari, PTA "F Jaia", Fisiopatologia della Riproduzione Umana e P.M.A, via de Amicis 30, 70014, Conversano, BA, Italy.
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Labarta E, Marin D, Remohí J, Bosch E. Conventional versus minimal ovarian stimulation: an intra-patient comparison of ovarian response in poor-responder women according to Bologna Criteria. Reprod Biomed Online 2018; 37:434-441. [PMID: 30219283 DOI: 10.1016/j.rbmo.2018.07.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Revised: 07/10/2018] [Accepted: 07/31/2018] [Indexed: 11/27/2022]
Abstract
RESEARCH QUESTION Is minimal ovarian stimulation (MOS) as effective as conventional ovarian stimulation (COS) in ovarian response and embryo quality in the same 46 poor-responder patients according to the Bologna criteria? DESIGN An intra-patient comparison of patients undergoing both protocols. Ovaries were stimulated with either a gonadotrophin-releasing hormone antagonist protocol and a combination of recombinant FSH and highly purified human menotrophin (HP-HMG) daily (COS), or with the use of clomiphene citrate 50 mg daily and 150 IU of HP-HMG or recombinant FSH every other day from simulation day 4 (MOS). RESULTS After MOS, significantly more good-quality embryos (1.0 ± 1.2 versus 0.3 ± 0.6) (P = 0.002), oocytes (3.2 ± 1.9 versus 2.0 ± 1.8) (P = 0.002), and mature (metaphase II) oocytes (2.6 ± 1.7 versus 1.6 ± 1.7) (P = 0.001) were obtained. In COS cycles, a significantly higher total gonadotrophin dose was needed per good-quality embryo (+2194 IU; 95% CI 618 to 3170). CONCLUSIONS In poor responder patients, MOS is a good alternative when COS has failed, or even as a first-line treatment. It offered a significantly greater number of good-quality embryos as well as a higher number of oocytes, using significantly lower doses of gonadotrophins per oocyte and embryo obtained.
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Affiliation(s)
- Elena Labarta
- IVI-RMA Global, Plaza Policía Local, Valencia3. 46015, Spain.
| | - Diego Marin
- IVI-RMA Global, Plaza Policía Local, Valencia3. 46015, Spain; Thomas Jefferson University, Philadelphia, USA
| | - José Remohí
- IVI-RMA Global, Plaza Policía Local, Valencia3. 46015, Spain
| | - Ernesto Bosch
- IVI-RMA Global, Plaza Policía Local, Valencia3. 46015, Spain
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Wu Q, Li H, Zhu Y, Jiang W, Lu J, Wei D, Yan J, Chen ZJ. Dosage of exogenous gonadotropins is not associated with blastocyst aneuploidy or live-birth rates in PGS cycles in Chinese women. Hum Reprod 2018; 33:1875-1882. [PMID: 30137360 DOI: 10.1093/humrep/dey270] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 08/07/2018] [Indexed: 11/12/2022] Open
Affiliation(s)
- Qianqian Wu
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 157 Jingliu Road, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, 157 Jingliu Road, Jinan, China
- The Key Laboratory for Reproductive Endocrinology of Ministry of Education, 157 Jingliu Road, Jinan, China
| | - Hongchang Li
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 157 Jingliu Road, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, 157 Jingliu Road, Jinan, China
- The Key Laboratory for Reproductive Endocrinology of Ministry of Education, 157 Jingliu Road, Jinan, China
| | - Yueting Zhu
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 157 Jingliu Road, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, 157 Jingliu Road, Jinan, China
- The Key Laboratory for Reproductive Endocrinology of Ministry of Education, 157 Jingliu Road, Jinan, China
| | - Wenjie Jiang
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 157 Jingliu Road, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, 157 Jingliu Road, Jinan, China
- The Key Laboratory for Reproductive Endocrinology of Ministry of Education, 157 Jingliu Road, Jinan, China
| | - Juanjuan Lu
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 157 Jingliu Road, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, 157 Jingliu Road, Jinan, China
- The Key Laboratory for Reproductive Endocrinology of Ministry of Education, 157 Jingliu Road, Jinan, China
| | - Daimin Wei
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 157 Jingliu Road, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, 157 Jingliu Road, Jinan, China
- The Key Laboratory for Reproductive Endocrinology of Ministry of Education, 157 Jingliu Road, Jinan, China
| | - Junhao Yan
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 157 Jingliu Road, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, 157 Jingliu Road, Jinan, China
- The Key Laboratory for Reproductive Endocrinology of Ministry of Education, 157 Jingliu Road, Jinan, China
| | - Zi-Jiang Chen
- Center for Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong University, 157 Jingliu Road, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, 157 Jingliu Road, Jinan, China
- The Key Laboratory for Reproductive Endocrinology of Ministry of Education, 157 Jingliu Road, Jinan, China
- Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, 845 Lingshan Road, Shanghai, China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, 845 Lingshan Road, Shanghai, China
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Abstract
PURPOSE OF REVIEW Gonadotrophin in IVF increases the number of oocytes retrieved, and many doctors regard a high number of oocytes as a measurement of success in IVF. Thus, the dogma of more oocytes provides better IVF success has been broadly accepted. However, some European fertility specialists have argued against this concept, saying fewer eggs might, in some instances, be a better option for the patient. RECENT FINDINGS The concept of 'one size fits all' stimulation in artificial reproductive technologies is not broadly supported by the current literature. The ovarian stimulation strategy has to be viewed in relation to cost, infrastructure and economics, expectations from the doctors and the patients, and more importantly the local legislation. Furthermore, also luteal phase, epigenetic factors and patient safety is a matter of concern. Studies show that in the fresh cycle, ovarian stimulation might have an impact on the epigenetics, quality of the embryo and increase the risk of ovarian hyper stimulation. Strategies like agonist triggering or 'freeze all' can help during a fresh cycle. However, there is an ongoing debate whether these strategies might increase time to pregnancy or not. SUMMARY In conclusion, each fertility clinic setup has its own benefits and gonadotropin hyperstimulation in IVF has to be related to this and the specific patient demographic in the clinic; however, epigenetics and time to pregnancy are still issues open to debate.
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Zander-Fox D, Lane M, Hamilton H, Tremellen K. Sequential clomiphene/corifollitrophin alpha as a technique for mild controlled ovarian hyperstimulation in IVF: a proof of concept study. J Assist Reprod Genet 2018; 35:1047-1052. [PMID: 29633146 DOI: 10.1007/s10815-018-1172-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 03/23/2018] [Indexed: 11/29/2022] Open
Abstract
PURPOSE Mild controlled ovarian hyperstimulation (COH), combined with oocyte retrieval (OR) under local anaesthesia (LA), may provide low-impact IVF. Since a single injection of corifollitrophin alfa (CFA) provides 7 days of COH, we hypothesised that clomiphene-citrate (CC) followed by CFA may provide adequate COH response from one single FSH injection. Therefore, the aim was to assess IVF outcomes after a novel clomiphene citrate/CFA (CC/CFA) protocol, compared to women undergoing standard rFSH COH protocols (good prognosis comparative cohort:GPCC) in a 1:2 matched design. MATERIALS AND METHODS In this pilot study of 25 patients (ANZCTR id:ACTRN12612000740897, MINIVA:Minimal_Stimulation_in_IVF), we examined the effectiveness of oral clomiphene (100 mg-days 2-6) followed by CFA in a GnRH antagonist protocol producing a single injection COH stimulation regime. All OR were conducted under LA pre-ovarian block. Cycle outcomes were compared to a matched good prognosis comparative cohort (GPCC) undergoing standard rFSH COH. RESULTS Mild stimulation was achieved with less oocytes being collected compared to the GPCC (6.4 ± 0.7 vs. 10.7 ± 0.9, p < 0.001), resulting in a reduced number of good quality embryos available for transfer/cryopreservation (3.7 ± 0.6 vs. 5.7 ± 0.5, p = 0.01). While embryo quality was similar between the two groups, endometrial thickness was significantly lower in the group receiving CC/CFA. Pregnancy rates were significantly lower in the CC/CFA cohort compared to GPCC (31.8 vs. 57.1%, p = 0.04) and 44% of CC/CFA participants required supplemental rFSH in order to achieve the hCG trigger criteria. CONCLUSION Sequential clomiphene CFA protocol does not appear to be an optimal regime for low impact IVF treatment as it does not provide adequate COH from a single CFA injection and results in lower fresh embryo transfer pregnancy rates and fewer embryos for cryopreservation.
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Affiliation(s)
- Deirdre Zander-Fox
- Repromed, 180 Fullarton Road, Dulwich, 5065, South Australia. .,MonashIVF Group, 21-31 Goodwood Street, Richmond, Victoria, 3121, Australia. .,Department of Obstetrics and Gynaecology, Medical School North, University of Adelaide, Frome Rd, Adelaide, 5000, Australia.
| | - Michelle Lane
- Repromed, 180 Fullarton Road, Dulwich, 5065, South Australia.,MonashIVF Group, 21-31 Goodwood Street, Richmond, Victoria, 3121, Australia.,Department of Obstetrics and Gynaecology, Medical School North, University of Adelaide, Frome Rd, Adelaide, 5000, Australia
| | - Hamish Hamilton
- Repromed, 180 Fullarton Road, Dulwich, 5065, South Australia.,MonashIVF Group, 21-31 Goodwood Street, Richmond, Victoria, 3121, Australia
| | - Kelton Tremellen
- Repromed, 180 Fullarton Road, Dulwich, 5065, South Australia.,Department of Obstetrics Gynaecology and Reproductive Medicine, Flinders Medical Centre, Flinders University, Flinders Drive, Bedford Park, 5042, South Australia
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Fauser BC. Patient-tailored ovarian stimulation for in vitro fertilization. Fertil Steril 2017; 108:585-591. [DOI: 10.1016/j.fertnstert.2017.08.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 08/10/2017] [Indexed: 11/29/2022]
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