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Aerts A, Temmerman A, Vanhie A, Vanderschueren D, Antonio L. The Effect of Endurance Exercise on Semen Quality in Male Athletes: A Systematic Review. SPORTS MEDICINE - OPEN 2024; 10:72. [PMID: 38861008 PMCID: PMC11166609 DOI: 10.1186/s40798-024-00739-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 05/29/2024] [Indexed: 06/12/2024]
Abstract
BACKGROUND Endurance exercise has the potential to affect reproductive function, with amenorrhea in female athletes. However, most studies focus on women. Evidence on the association between endurance exercise and male fertility is limited. OBJECTIVE To synthesise existing literature on exercise-induced alterations in semen parameters and to assess the clinical impact on male fertility. METHODS Studies reporting on the association between semen parameters and endurance exercise in healthy men were eligible. Men attending fertility clinics were excluded. We searched MEDLINE (PubMed), Embase, SPORTDiscus, Cochrane Central Register of Controlled Trials (CENTRAL), ClinicalTrials.gov and International Clinical Trials Registry Platform (ICTRP) from their inception to May 28th 2022. JBI Critical Appraisal Tool was used to assess the potential risk of bias. RESULTS Thirteen studies met inclusion criteria, reporting on 280 subjects. Eight articles reported on endurance runners, three on cyclists and four on triathletes. Four studies did not find any statistically significant sperm alterations. Five reported significant changes in semen parameters, but these were not clinically relevant, as semen parameters remained well above World Health Organisation (WHO) thresholds. Four articles reported a decrease in semen quality with potential clinical consequences as they found a reduced number of sperm cells exhibiting normal morphology in cyclists and triathletes and a greater amount of DNA fragmentation in triathletes. CONCLUSION Endurance exercise can have a negative effect on semen quality, although rarely with a clinically relevant impact on male fertility. Evidence is however limited, with poor quality of the included studies. REGISTRATION PROSPERO International prospective register of systematic reviews (CRD42022336753).
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Affiliation(s)
- Alex Aerts
- Faculty of Medicine, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Annelien Temmerman
- Faculty of Medicine, Katholieke Universiteit Leuven, Leuven, Belgium
- Department of Internal Medicine, University Hospitals Leuven, Leuven, Belgium
| | - Arne Vanhie
- Leuven University Fertility Centre, University Hospitals Leuven, Leuven, Belgium
| | - Dirk Vanderschueren
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium
| | - Leen Antonio
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium.
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium.
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Du C, Li Y, Yin C, Luo X, Pan X. Association of abstinence time with semen quality and fertility outcomes: a systematic review and dose-response meta-analysis. Andrology 2024. [PMID: 38197853 DOI: 10.1111/andr.13583] [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: 09/12/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 01/11/2024]
Abstract
BACKGROUND Infertility affects 186 million people worldwide, with male factors contributing to 50% of infertility cases. Semen analysis is a key for diagnosing male factor infertility, but sperm parameters can be influenced by ejaculatory abstinence (EA) duration. Shortening or prolonging EA can impact on semen quality and assisted reproductive technology (ART) outcomes, but the optimal EA duration remains unclear, particularly for infertility patients. OBJECTIVES This study conducts a comprehensive meta-analysis to explore the impact of varying abstinence durations on semen quality and fertility outcomes. METHODS Three English database (PubMed, Embase, and Cochrane Central Register of Controlled Trials) as well as four Chinese database (China National Knowledge Infrastructure, Chinese Scientific Journals database, WanFang database, and Chinese Biomedical Literature database) were searched from 2000 to August 2023. The classical meta-analysis and "one-stage" dose-response meta-analysis were conducted to compare the associations of different abstinence durations (short-term abstinence vs. long-term abstinence) on semen quality in healthy adult and different type of infertile patients. RESULTS There were 85 eligible studies were finally included. The meta-analysis of volume (mean difference [MD] = -0.95 mL, 95% confidence interval [CI]: -1.16 to -0.74 mL), total sperm count (TSC) (MD = -102.45×106 , 95% CI: -117.98×106 to -86.91×106 ), sperm concentration (SC) (MD = -11.88×106 /mL, 95% CI: -18.96×106 /mL to -4.80×106 /mL), DNA fragmentation index (DFI) (MD = -2.37%, 95% CI: -4.73% to -0.01%) in healthy men showed a significant decrease with different abstinence durations (short-term abstinence vs. long-term abstinence). The meta-analysis of infertile men showed significant decrease in volume in various subgroups (MD range: -0.73 to -1.17 mL) with P < 0.01; TSC (MD = -61.93×106 , 95% CI: -88.84×106 to -35.01×106 ), SC (MD = -5.39×106 /mL, 95% CI: -9.97×106 to -0.81×106 /mL), DFI (MD = -5.63%, 95% CI: -10.19% to -1.06%) in unexplained infertility subgroup; significant increase in viability (MD = 6.14%, 95% CI: 3.61% to 8.68%) in the unexplained infertility subgroup. The dose-response meta-analysis showed that TSC in oligozoospermia showed a nonlinear increase (coefficient from 3.38 to -5.76, P from 0.02 to 0.22) and the truncation point was around the 4th to 5th abstinence day. The percentage of progressive motile sperm (PR) in asthenozoospermia showed a significant decrease (coefficient = -2.39, 95% CI: -4.28 to -0.50). For fertility outcomes of different ARTs, only the clinical pregnancy rate (CPR) in the intrauterine insemination (IUI) subgroup showed a significant decrease around the 3rd day (coefficient = 0.85, 95% CI: 0.75 to 0.97). CONCLUSIONS Short-term abstinence may be associated with limited improvements in semen quality in healthy men but could be more beneficial for infertile men, especially within the first 4 days of abstinence. Caution is urged in making definitive conclusions about the causal relationship between abstinence time and semen quality changes due to potential confounding and interactions.
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Affiliation(s)
- Chengchao Du
- Department of Reproductive Andrology & Sichuan Human Sperm Bank, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, China
| | - Yi Li
- Department of Pain Management, West China Hospital, Sichuan University, Chengdu, China
| | - Chongyang Yin
- School of Integrated Education, YiBin Vocational and Technical College, Yibin, China
| | - Xuefeng Luo
- Department of Reproductive Andrology & Sichuan Human Sperm Bank, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, China
| | - Xiangcheng Pan
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, China
- Department of Pharmacy, West China Second University Hospital, Sichuan University, Chengdu, China
- Evidence-Based Pharmacy Center, West China Second University Hospital, Sichuan University, Chengdu, China
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Poopaibool N, Tangprasittipap A, Chumchuen S, Satirapod C, Singwongsa A. Effects of a short abstinence period on sperm quality in oligozoospermic men. Clin Exp Reprod Med 2023; 50:262-269. [PMID: 37995754 DOI: 10.5653/cerm.2023.06100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 07/25/2023] [Indexed: 11/25/2023] Open
Abstract
OBJECTIVE The aim of this study was to compare semen parameters and sperm DNA fragmentation (SDF) and explore the relationship between semen parameters and SDF between 2 and 7 days of abstinence and a short abstinence period (within 4 hours) in oligozoospermic infertile patients. METHODS Two semen samples were collected from infertile oligozoospermic men (n=34) after an abstinence period of 2 to 7 days and within 4 hours, respectively. Sperm parameters were compared between the two abstinence duration groups, including semen volume, sperm concentration, total sperm count, sperm motility, total motile sperm count (TMSC), morphology, and SDF. RESULTS The semen volume, concentration, and total sperm count were significantly decreased after 4 hours of abstinence than after 2 to 7 days of abstinence, with median differences of 1.2 mL (p<0.001), 2×106/mL (p=0.011), and 9.6×106/ejaculation (p<0.001), respectively. TMSC was significantly lower after a short abstinence, with a median difference of 4.24×106/ejaculate (p<0.001). However, there were no significance differences in the percentage of motility, the SDF, and the percentage of sperm with normal morphology. Interestingly, volume, concentration, total sperm count, sperm motility, and SDF, but not TMSC, exhibited significant linear correlations between the two abstinence groups in univariate regression analysis, except for TMSC. CONCLUSION In oligozoospermic men, the volume, concentration, and total sperm count were significantly lower after a short abstinence period, but without adverse effects on sperm motility and SDF.
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Affiliation(s)
- Nattaporn Poopaibool
- Reproductive Endocrinology and Infertility Unit, Department of Obstetrics & Gynecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Amornrat Tangprasittipap
- Office of Research, Academic Affairs and Innovations, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Sukanya Chumchuen
- Office of Research, Academic Affairs and Innovations, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Chonthicha Satirapod
- Reproductive Endocrinology and Infertility Unit, Department of Obstetrics & Gynecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Artitaya Singwongsa
- Reproductive Endocrinology and Infertility Unit, Department of Obstetrics & Gynecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
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Li Y, Wang S, Li D, Huang Y, Liu H, Zhang X, Qin J, Mao X, Li Z, Chen L, Wei P, Shi W, Xue L. Short-interval second ejaculation improves sperm quality, blastocyst formation in oligoasthenozoospermic males in ICSI cycles: a time-lapse sibling oocytes study. Front Endocrinol (Lausanne) 2023; 14:1250663. [PMID: 37745695 PMCID: PMC10512860 DOI: 10.3389/fendo.2023.1250663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/21/2023] [Indexed: 09/26/2023] Open
Abstract
Background Does short-interval second ejaculation improve sperm quality, embryo development and clinical outcomes for oligoasthenozoospermia males received intracytoplasmic sperm injection (ICSI) treatment? Methods All enrolled male patients underwent short-interval secondary ejaculation on the day of oocyte retrieval, and 786 sibling MII oocytes from 67 cycles were equally divided into two groups based on whether the injected spermatozoons originated from the first or second ejaculation. Semen parameters, embryo development efficiency, morphokinetic parameters and clinical outcomes were compared between the two groups to assess the efficiency and clinical value of short-interval second ejaculation in ICSI cycles. Results Short-interval second ejaculation significantly improved sperm motility, normal morphological rate, and sperm DNA integrity both before and after sperm swim-up. The high-quality blastocyst rate (24.79% versus 14.67%), available blastocyst rate (57.56% versus 48.44%), and oocyte utilization rate (52.93% versus 45.29%) were significantly higher in the second ejaculation group (P<0.05). The clinical pregnancy rate (59.09% versus 47.37%), implantation rate (42.11% versus 32.35%) and live birth rate (40.91% versus 31.58%) were higher in the second ejaculation group, but the differences were not significant (P>0.05). Time-lapse analysis showed that morphokinetic time points after the 7-cell stage were earlier in the second ejaculation group but without a significant difference (P>0.05), and abnormal embryo cleavage patterns between the two groups were not significantly different (P>0.05). Conclusions Short-interval second ejaculation significantly improves sperm quality in oligoasthenozoospermic males, and is beneficial for blastocyst formation efficiency in ICSI cycles. This study suggested a non-invasive and simple but effective strategy for improving ICSI treatment outcomes.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Lintao Xue
- Reproductive Medical and Genetic Center, The People’s Hospital of GuangXi Zhuang Autonomous Region, Nanning, China
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Badreddine J, Rhodes S, Sellke N, Navarrete F, Keller S, Gowda V, Simon PHG, Abou Ghayda R. The Variability of Semen Parameters With Sexual Abstinence Using Mail-in Sperm Testing Is Similar to That Seen With Traditional In-Office Semen Analysis. Am J Mens Health 2023; 17:15579883231197910. [PMID: 37771162 PMCID: PMC10541766 DOI: 10.1177/15579883231197910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 07/31/2023] [Accepted: 08/09/2023] [Indexed: 09/30/2023] Open
Abstract
The impact of ejaculatory abstinence on semen parameters using in-office semen analyses has been well-established; however, their variability has not been evaluated in men using mail-in semen analysis kits. Our study aims to describe how the sperm parameters using mail-in semen analysis tests change with abstinence and validate their equivalence to those seen with in-office semen analysis tests. We retrospectively reviewed the semen analysis results of men using mail-in semen analysis tests provided by Give Legacy, Inc (Legacy) facilities from 2019 to 2021. We collected their demographic information, abstinence duration, and semen parameters (conventional and kinematic) from their records. Semen samples were categorized as normozoospermic and oligozoospermic based on concentration. The shape of the relationship between abstinence duration and semen parameters was assessed via generalized additive models. We have collected 3,469 unique samples provided by 2,609 (75%) normozoospermic men and 860 (25%) oligozoospermic from all over the United States. In normozoospermic men, longer periods of sexual abstinence were linked to higher levels of sperm concentration, total sperm count, and total motile sperm. However, there was a decline in both total and progressive motility. Conversely, in oligozoospermic men, extended periods of abstinence led to a rapid decline in total motile sperm, as well as total and progressive motility. There was no significant correlation observed between sexual abstinence and variations in sperm morphology. Our study shows that variability of sperm parameters with abstinence, as measured through mail-in semen analysis tests, is comparable to the patterns observed with conventional in-office sperm testing.
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Affiliation(s)
- Jad Badreddine
- Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Stephen Rhodes
- Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Nicholas Sellke
- Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | | | | | | | | | - Ramy Abou Ghayda
- GiveLegacy, Boston, MA, USA
- Division of Men’s Health, Department of Urology and Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
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Li Y, Lu T, Wu Z, Wang Z, Yu T, Wang H, Tang C, Zhou Y. Trends in sperm quality by computer-assisted sperm analysis of 49,189 men during 2015-2021 in a fertility center from China. Front Endocrinol (Lausanne) 2023; 14:1194455. [PMID: 37529601 PMCID: PMC10390301 DOI: 10.3389/fendo.2023.1194455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 06/07/2023] [Indexed: 08/03/2023] Open
Abstract
Background Sperm quality, including semen volume, sperm count, concentration, and total and progressive motility (collectively, "semen parameters"), has declined in the recent decades. Computer-assisted sperm analysis (CASA) provides sperm kinematic parameters, and the temporal trends of which remain unclear. Our objective is to examine the temporal trend of both semen parameters and kinematic parameters in Shanghai, China, in the recent years. Methods This retrospective study analyzed semen parameters and kinematic parameters of 49,819 men attending our reproductive center by using CASA during 2015-2021. The total sample was divided into two groups: samples that surpassed the WHO guideline (2010) low reference limits ("above reference limit" group, ARL; n = 24,575) and samples that did not ("below reference limit" group, BRL; n = 24,614). One-way analysis of variance, Kruskal-Wallis test, independent samples t-test, and covariance analysis were used to assess the differences among groups. Year, age, and abstinence time were included in the multiple linear regression model of the ARL group to adjust the confounders and depict the trends in sperm quality. Results Among all the total sample and the ARL and BRL groups, the age of subjects increased in recent years. Semen volume and sperm count showed declined tendency with years in the total sample, the ARL and BRL groups, and the subgroup of age or abstinence time, whereas sperm velocities showed increased tendency with years on the contrary. The multiple linear regression model of the ARL group, adjusting for age and abstinence time, confirmed these trends. Semen volume (β1= -0.162; CI: -0.172, -0.152), sperm count (β1= -9.97; CI: -10.813, -9.128), sperm concentration (β1 = -0.535; CI: -0.772, -0.299), motility (β1 = -1.751; CI: -1.830, -1.672), and progressive motility (β1 = -1.12; CI: -0.201, -0.145) decreased with year, whereas curvilinear line velocity (VCL) (β1 = 3.058; CI: 2.912, 3.203), straight line velocity (VSL) (β1 = 2.075; CI: 1.990, 2.161), and average path velocity (VAP) (β1 = 2.305; CI: 2.224, 2.386) increased over time (all p < 0.001). In addition, VCL, VSL, and VAP significantly declined with age and abstinence time. Conclusion The semen parameters declined, whereas the kinematic parameters increased over the recent years. We propose that, although sperm count and motility declined over time, sperm motion velocity increased, suggesting a possible compensatory mechanism of male fertility.
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Affiliation(s)
- Yanquan Li
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Tingting Lu
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Zhengmu Wu
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhengquan Wang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ting Yu
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Hanshu Wang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Chunhua Tang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Yuchuan Zhou
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
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Kumar N, Deepthi KN, Padugupati S, Ghose S, Narang R. Seminal plasma testis expressed sequence (TEX)-101 as a biomarker for the qualitative assessment of male factor infertility: A case-control study. Eur J Obstet Gynecol Reprod Biol 2023; 287:221-226. [PMID: 37390755 DOI: 10.1016/j.ejogrb.2023.06.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 05/14/2023] [Accepted: 06/20/2023] [Indexed: 07/02/2023]
Abstract
OBJECTIVE The study was conducted to assess the role of seminal plasma Testis Expressed Sequence (TEX)-101 as a biomarker of male infertility. STUDY DESIGN The study was conducted on 180 men (20-50 years) with 90 having abnormal semen reports as cases and 90 with normal reports as controls in a rural tertiary care center in Southern India over two years. After the enrolment of cases and control, semen samples were cryopreserved till the desired sample size was achieved and a biochemical test for TEX-101 was run using Human Testis-expressed Protein 101 ELISA Kit. The results of TEX-101 were compared between cases and controls and correlated with various semen parameters. Statistical analysis was done using SPSS software version 22.0, a p-value < 0.05 was considered statistically significant. RESULTS Mean ± SD age of all participants was 29.94 ± 4.91 years. Of 90 cases, 48.9% had asthenospermia, 24.4% oligoasthenospermia, 15.6% oligospermia, 11.1% azoospermia. A statistically significant difference was observed in mean values of seminal plasma TEX-101 between cases (1.45 ± 0.08 ng/mL) and controls (2.26 ± 0.18 ng/mL), p = 0.001. A significant correlation (p = 0.001) was found between seminal TEX-101, semen volume, sperm concentration, progressive motility, and morphology. The area under the Receiver Operating Characteristic curve of TEX-101 between cases and controls was 1.00 (p = 0.001), indicating TEX-101 as a potential biomarker for distinguishing men with abnormal semen parameters from those with normal semen parameters. At a cut-off value of 1.84 ng/mL, seminal plasma TEX-101 had a sensitivity, specificity, and negative and positive predictive values of 100% for male infertility prediction. CONCLUSION Seminal TEX-101 is a potential seminal biomarker and can be used in the qualitative assessment of male factor infertility.
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Affiliation(s)
- Naina Kumar
- Department of Obstetrics and Gynecology, All India Institute of Medical Sciences, Bibinagar-508126, Hyderabad, Telangana, India.
| | - K N Deepthi
- Department of Pathology, SVS Medical College, Yenugonda, Mahabubnagar 509001, Telangana, India
| | - Suhasini Padugupati
- Department of Biochemistry, SVS Medical College, Yenugonda, Mahabubnagar 509002, Telangana, India
| | - Seetesh Ghose
- Department of Obstetrics and Gynecology, Mahatma Gandhi Medical College and Research Institute, Puducherry 607402, India.
| | - Rahul Narang
- Department of Microbiology, All India Institute of Medical Sciences, Bibinagar, 508126 Hyderabad, Telangana, India
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Akhigbe RE, Hamed MA, Dutta S, Sengupta P. Influence of ejaculatory abstinence period on semen quality of 5165 normozoospermic and oligozoospermic Nigerian men: A retrospective study. Health Sci Rep 2022; 5:e722. [PMID: 36032514 PMCID: PMC9405489 DOI: 10.1002/hsr2.722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 06/16/2022] [Accepted: 06/19/2022] [Indexed: 11/24/2022] Open
Abstract
Background and Aims Several studies have shown that the length of ejaculatory abstinence alters sperm quality. However, the available data are conflicting and none seems to exist in a Nigerian population. The present study aims to compare the semen quality in normozoospermic and oligozoospermic semen samples of a homogenous Nigerian population, following varying ejaculatory abstinence days (EAD); less than 2, 2–3, and 3–7 days. Methods The present retrospective study included 5165 semen samples collected over 5 years, from April 2015 to April 2020. Results In normozoospermic samples, sperm count and total sperm count were significantly higher in prolonged EAD. In oligozoospermic patients, semen volume significantly increased with prolonged EAD, while sperm count, total sperm count, and progressive motility were significantly reduced with prolonged EAD. In addition, EAD and sperm volume positively correlated in oligozoospermic patients. Conclusion Our findings indicate that EAD affects sperm quality in both normozoospermic and oligozoospermic men with varying impacts. Prolonged EAD increased sperm count and total sperm count in normozoospermic patients, while EAD increased semen volume but reduced sperm count, total sperm count, and progressive motility in oligozoospermic patients.
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Affiliation(s)
- Roland E. Akhigbe
- Department of Physiology Ladoke Akintola University of Technology Ogbomoso Oyo State Nigeria
- Reproductive Biology and Toxicology Research Laboratories Oasis of Grace Hospital Osogbo Osun State Nigeria
| | - Moses A. Hamed
- Reproductive Biology and Toxicology Research Laboratories Oasis of Grace Hospital Osogbo Osun State Nigeria
- Brainwill Laboratories Osogbo Osun State Nigeria
- Department of Medical Laboratory Science, College of Medicine and Helath Sciences Afe Babalola University Ado Ekiti Ekiti State Nigeria
| | - Sulagna Dutta
- Department of Biomedical Sciences, Faculty of Dentistry MAHSA University Jenjarom Selangor Malaysia
| | - Pallav Sengupta
- Department of Physiology, Faculty of Medicin, Bioscience and Nursing MAHSA University Jenjarom Selangor Malaysia
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Meitei HY, Uppangala S, Lakshmi RV, Guddattu V, Hegde P, Kumar P, Adiga P, Kalthur G, Schlatt S, Adiga SK. Sperm characteristics in normal and abnormal ejaculates are differently influenced by length of ejaculatory abstinence. Andrology 2022; 10:1351-1360. [PMID: 35776678 DOI: 10.1111/andr.13222] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 05/06/2022] [Accepted: 06/24/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND No association between the length of ejaculatory abstinence (LEA) and semen characteristics has been confirmed. A short LEA has been linked to improved sperm characteristics and a higher pregnancy rate, but its negative influence on sperm chromatin maturity and longevity may adversely affect reproductive outcomes. OBJECTIVES We sought to determine the influence of LEA on: (i) semen parameters in normozoospermic and abnormal ejaculates; and (ii) the outcomes of sperm-preparation methods in a large number of sub-fertile men undergoing infertility workups. MATERIALS AND METHODS This retrospective registry-based cohort study analyzed the data of 10,674 ejaculates from 7,972 sub-fertile men, who were then segregated into normozoospermic, oligozoospermic, asthenozoospermic, and oligo-asthenozoospermic cohorts. Variations in semen characteristics and post-wash outcomes were studied between 4 LEA intervals across 0-15 days. RESULTS An age-adjusted analysis of covariance (ANCOVA) model linked significant increases in ejaculate volume, sperm concentration (except in the oligozoospermic cohort), and total sperm number to an increased LEA (p < 0.05). LEA was negatively associated with motility (except in the asthenozoospermic cohort) and vitality (p < 0.05). Large-headed spermatozoa were less common with an increased LEA only in the oligoasthenozoopermic cohort (p < 0.05). In the normozoospermic cohort, a longer LEA led to fewer sperm with amorphous heads but more sperm with tapered heads and cytoplasmic droplets (p < 0.05). LEA extension resulted in greater sperm DNA fragmentation in the abnormal cohort (p < 0.01). The post-wash sperm concentration and total motile sperm count were significantly improved with a longer LEA in the normozoopsermic cohort (p < 0.05). DISCUSSION AND CONCLUSION Considering the findings in this study and existing literature, a generalized recommendation for long LEA has no clinical value. The LEA should be individualized based on the ejaculate profile and the need for specific clinical intervention. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Huidrom Yaiphaba Meitei
- Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Shubhashree Uppangala
- Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - R Vani Lakshmi
- Department of Data Science, Prasanna School of Public health, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Vasudeva Guddattu
- Department of Data Science, Prasanna School of Public health, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Padmaraj Hegde
- Department of Urology, Kasturba Medical College Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Pratap Kumar
- Department of Reproductive Medicine and Surgery, Kasturba Medical College Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Prashanth Adiga
- Department of Reproductive Medicine and Surgery, Kasturba Medical College Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Guruprasad Kalthur
- Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Stefan Schlatt
- Centre of Reproductive Medicine and Andrology (CeRA), University of Münster, Münster, Germany
| | - Satish Kumar Adiga
- Department of Reproductive Science, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, 576104, India
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Cheng Y, Tang Q, Lu Y, Li M, Zhou Y, Wu P, Li J, Pan F, Han X, Chen M, Lu C, Wang X, Wu W, Xia Y. Semen quality and sperm DNA methylation in relation to long-term exposure to air pollution in fertile men: A cross-sectional study. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 300:118994. [PMID: 35167929 DOI: 10.1016/j.envpol.2022.118994] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 02/09/2022] [Accepted: 02/11/2022] [Indexed: 06/14/2023]
Abstract
Some studies have examined the association between air pollution and semen quality. While it is less of evidence on the sperm quality after long-term air pollution exposure, especially the co-exposure of different air pollution components. Additionally, the role of DNA methylation in it hasn't been confirmed. This study aimed to investigate whether long-term exposure to air pollution was associated with semen quality, as well as to explore the effect of sperm DNA methylation in such association. From 2014 to 2016, 1607 fertile men were enrolled to evaluate 14 parameters of semen quality. Exposure window was defined as one-year before semen sampling. Multivariable linear regression and weighted quantile sum (WQS) regression model were used to investigate the association between six air pollutants co-exposure and semen quality. Sensitivity analysis regarding at the normal semen quality group was also conducted. Semen samples were randomly selected from 200 participants to detect the genomic 5-methylcytosine (5 mC) and 5-hydroxymethylcytosine (5-hmC) levels in sperm. In the total population, PM10, PM2.5, SO2, and NO2 were negatively associated with sperm total motility (PM10: β = -2.67, P = 0.009; PM2.5: β = -2.86, P = 0.004; SO2: β = -2.32, P = 0.011; NO2: β = -2.21, P = 0.012). Results of the normal semen quality group were consistent with those from the whole population. WQS regression results indicated significant decreasing sperm total motility after the co-exposure of the six air pollutants (β = -1.64, P = 0.003) in whole participants. Wherein, PM10 accounted for largest proportion (43.4%). The 5-hmC level was positively associated with PM10 exposure (β = 0.002, P < 0.001). Long-term exposure to PM10, PM2.5, SO2, and NO2, as well as co-exposure to six air pollutants, reduced semen quality in fertile men. As the most significant contributor of air pollutant, PM10 exposure decreased sperm DNA methylation.
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Affiliation(s)
- Yuting Cheng
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Qiuqin Tang
- Department of Obstetrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Yiwen Lu
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Mei Li
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yijie Zhou
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Peihao Wu
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jinhui Li
- Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, USA
| | - Feng Pan
- Department of Urology, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Xiumei Han
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Minjian Chen
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Chuncheng Lu
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xinru Wang
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Wei Wu
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China.
| | - Yankai Xia
- State Key Laboratory of Reproductive Medicine, Institute of Toxicology, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
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11
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Sperm donor lifestyle survey: modifiable risk factors for potential sperm donors. J Assist Reprod Genet 2021; 38:2965-2974. [PMID: 34554361 DOI: 10.1007/s10815-021-02322-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 09/13/2021] [Indexed: 10/20/2022] Open
Abstract
OBJECTIVES To examine the association between modifiable lifestyle factors and the main semen parameter values, the number of qualified sperm donors, and to provide some sensible guidance for sperm donors. METHODS Healthy men screened as potential sperm donors were recruited in the Hunan Province Human Sperm Bank of China from March 2019 to December 2019. Participants were invited to complete interviewer-assisted questionnaires on eleven items of information. Univariate and multivariate analyses were conducted to analyze which lifestyle factors collected by the questionnaire had an impact on the eligibility and main semen parameters of sperm donors. RESULTS The eligibility of men as sperm donors was strongly influenced by the duration of abstinence (P = 0.002). The rate of eligibility sperm donors increased significantly with the number of days of abstinence. In addition, semen volume increased with abstinence time (P = 0.000). Exercise frequency (P = 0.025) and abstinence time (P = 0.000) were positively correlated with sperm concentration, and masturbation frequency was negatively correlated with sperm concentration (P = 0.013). Progressive sperm motility was significantly affected by abstinence time (P = 0.000) and bedtime (P = 0.047). CONCLUSIONS Abstinence time was highly associated with semen parameters and donor qualification. Increase the abstinence time before donation may be meaningful in improving the proportion of eligible sperm donors.
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Li J, Shi Q, Li X, Guo J, Zhang L, Quan Y, Ma M, Yang Y. The Effect of Male Sexual Abstinence Periods on the Clinical Outcomes of Fresh Embryo Transfer Cycles Following Assisted Reproductive Technology: A Meta-Analysis. Am J Mens Health 2021; 14:1557988320933758. [PMID: 32804026 PMCID: PMC7436826 DOI: 10.1177/1557988320933758] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
A sexual abstinence period (SAP) lasting for 2–7 days is recommended before undertaking semen analyses. However, there is no consensus regarding the length of the SAP for couples using assisted reproductive technology (ART). Therefore, a meta-analysis was performed to compare the effect of short SAPs (less than 4 days) and long SAPs (4–7 days) on the clinical outcomes of fresh embryo transfer cycles after ART. A total of four studies were included in the meta-analysis. Although the fertilization rate in short SAP couples was higher than that in long SAP couples, a pooled analysis demonstrated that it was not statistically significant (p = .09). The implantation rate was, however, significantly higher in short SAP couples (p = .0001). The pooled analysis revealed that the pregnancy rate was significantly higher in short SAP couples than that in long SAP couples. The overall odds ratio (OR) for the pregnancy rate was 1.44 (p = .0006). No significant difference in miscarriage rates between the short and long SAP couples was found (p = .88). The meta-analysis indicates that a shorter abstinence period could result in higher implantation and pregnancy rates for patients undertaking ART treatments.
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Affiliation(s)
- Jinhong Li
- Center of Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan Province, China.,Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan Province, China
| | - Qingquan Shi
- Center of Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan Province, China.,Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan Province, China
| | - Xiaohong Li
- Center of Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan Province, China.,Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan Province, China
| | - Junliang Guo
- Center of Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Long Zhang
- Center of Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Yi Quan
- Center of Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Ming Ma
- Andrology Laboratory, West China Hospital, Chengdu, Sichuan Province, China
| | - Yihong Yang
- Center of Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu, Sichuan Province, China.,Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan Province, China
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13
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Ciotti PM, Calza N, Zuffa S, Notarangelo L, Nardi E, Damiano G, Cipriani L, Porcu E. Two subsequent seminal productions: A good strategy to treat very severe oligoasthenoteratozoospermic infertile couples. Andrology 2021; 9:1185-1191. [PMID: 33861504 DOI: 10.1111/andr.13020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 03/16/2021] [Accepted: 04/08/2021] [Indexed: 12/28/2022]
Abstract
BACKGROUND Sexual abstinence is considered one of the several factors that influence sperm quality. Recent studies show that a shortening of the abstinence period could be beneficial mostly in oligoasthenoteratozoospermic (OAT) patients. OBJECTIVE Retrospective study to verify the efficacy of a second semen sample after a short abstinence to treat severe OAT infertile patients. MATERIALS AND METHODS 127 couples treated between May 2014 and May 2018 were divided into two groups. Study Group 1 (75 cycles): severe OAT characteristics: count <0.2 × 106 /mL no progressive motility; count ≥0.2 × 106 /mL and no total or progressive motility; 0% normal morphology; a second semen sample was requested after abstinence of 2 h. Control Group 0 (52 cycles): normozoospermic or mild OAT; only one sample was requested. Intracytoplasmic sperm injection was utilized in all cases. RESULTS All semen parameters were significantly different between Group 0 vs both samples of Group 1 (p < 0.001), excluding volume between Group 0 and 1st sample of Group 1 (p = 0.682). The comparison between 1st and 2nd samples from Group 1 showed significant differences in volume, total and progressive motility and morphology (p < 0.001, p < 0.001, p < 0.020) but not in total sperm count (p = 0.970). Fertilization, pregnancy rate/transfer, implantation and miscarriage rates were 85.9% and 61.1% (p < 0.001), 30.6% and 35.8% (p = 0.700), 17.5% and 24.0 (p = 0.292), 20.0% and 25.0% (p = 0.017) in Group 0 and Group 1 respectively. DISCUSSION AND CONCLUSION The results show that a short abstinence in severe OAT patients allows us to obtain spermatozoa with better motility. The request for a second semen sample in couples with extreme semen parameters is a valid and simple strategy that helps to achieve the same probability of pregnancy compared to a Control Group. Furthermore, it allows us to utilize fresh spermatozoa avoiding the need to resort to cryopreserved reserves or testicular surgery.
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Affiliation(s)
- Patrizia Maria Ciotti
- Infertility and IVF Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Nilla Calza
- Infertility and IVF Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Silvia Zuffa
- Infertility and IVF Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Leonardo Notarangelo
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Elena Nardi
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Giuseppe Damiano
- Infertility and IVF Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Linda Cipriani
- Infertility and IVF Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Eleonora Porcu
- Infertility and IVF Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.,Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
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14
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Dupesh S, Pandiyan N, Pandiyan R, Kartheeswaran J, Prakash B. Ejaculatory abstinence in semen analysis: does it make any sense? Ther Adv Reprod Health 2020; 14:2633494120906882. [PMID: 32596668 PMCID: PMC7297125 DOI: 10.1177/2633494120906882] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 01/22/2020] [Indexed: 12/15/2022] Open
Abstract
Background The precise effect of ejaculatory abstinence on semen parameters is highly debatable, especially among subfertile men. Previous studies on effect of abstinence time on different semen parameters have reported controversial results. The aim of this study was to retrospectively assess the variance of semen parameters with different periods of ejaculatory abstinence among both a population of normozoospermic (n = 1621) and oligozoospermic (n = 416) Tamil men, presenting to a fertility clinic for an infertility evaluation (N = 2037). Materials and Methods A retrospective analysis of 2037 semen analysis reports involved grouping patients based on their ejaculatory abstinence, that is, <24 h, 1 to 2 days, 3 to 7 days, 8 to 15 days, 16 to 30 days, and >30 days. All semen parameters were assessed as per the World Health Organization (WHO, 2010) recommended guidelines. The unpaired two-tailed t-test and Welch's analysis of variance (ANOVA) combined with Games-Howell post hoc test were used for statistical analysis. A p value <0.05 was considered to be statistically significant. Result A retrospective analysis of data (N = 2037) identified no statistically significant differences in semen parameters of sperm concentration, percentage of progressively motile sperm, and normal sperm morphology in both normozoospermic and oligozoospermic individuals across different groups of abstinence. Semen volume was the only parameter that showed a statistically significant difference in both groups (p < 0.0001). In both normozoospermic and oligozoospermic men, the group with <24 h abstinence had the highest mean percentage of progressively motile sperm and normal sperm morphology. Conclusion The findings of this study suggest that ejaculatory abstinence may be highly arbitrary, and the recommendation of a strict 2- to 7-day abstinence per the WHO may be liberalized. In both normozoospermic and oligozoospermic men, semen parameters associated with an abstinence of <24 h were found to be noninferior as compared to longer ejaculatory abstinence intervals. These findings support in eliminating conservative recommendations as far as abstinence is concerned and suggest that patients may be asked to collect a semen sample on the day they present for an infertility evaluation, regardless of abstinence.
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Affiliation(s)
- Shah Dupesh
- VRR Institute of Biomedical Sciences, University of Madras, 1/7, MRB Avenue, Bhajanai Koil Street, Kattupakkam, Chennai 600056, India
| | - Natarajan Pandiyan
- Department of Reproductive Medicine, Chettinad Hospital & Research Institute, Chennai, India
| | - Radha Pandiyan
- Department of Reproductive Medicine, Chettinad Hospital & Research Institute, Chennai, India
| | | | - Bhaskar Prakash
- Department of Urology, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
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