1.Serum anti-Mullerian hormone level threshold among infertile Filipino women with polycystic ovarian syndrome
Mary Liezl N. Yu ; Virgilio M. Novero
Philippine Journal of Reproductive Endocrinology and Infertility 2024;21(2):39-46
OBJECTIVE
To determine the threshold value for anti-Müllerian hormone (AMH) in the diagnosis of polycystic ovarian syndrome (PCOS) in infertile Filipino women and to ascertain the correlation of AMH with age and body mass index of PCOS women.
METHODSA retrospective cross-sectional study was carried out on infertile Filipino women at the Center for Advanced Reproductive Medicine and Infertility from August 2015 to March 2020. The women were separated into the PCOS group and male factor infertility group. Serum AMH was analyzed with Access AMH chemiluminescent immunoassay by Beckman Coulter. The AMH threshold for the diagnosis of PCOS was computed using Youden’s index.
RESULTSThere were 585 women included in the study, 311 (53.16%) were diagnosed with PCOS by the Rotterdam criteria, while 274 (46.84%) were non PCOS women. Mean serum AMH for PCOS was 5.88 ± 3.37 (p < 0.01). A threshold value of serum AMH above 3.86 ng/ml was predictive of PCOS by Youden’s index with a sensitivity of 67.2%, specificity of 77.7%, and correct classification rate of 72.1%. There was a negative correlation of AMH level with increasing age in both PCOS and non – PCOS group but the PCOS group had a higher AMH level. There was no correlation noted with AMH and body mass index in both groups.
CONCLUSIONAMH levels were higher in the PCOS women compared to those without the diagnosis. AMH threshold level could support the diagnosis of PCOS in infertile Filipino women.
Human ; Female ; Anti-mullerian Hormone ; Infertility ; Polycystic Ovarian Syndrome ; Polycystic Ovary Syndrome
2.Efficacy and safety of acupuncture for polycystic ovary syndrome: An overview of systematic reviews.
Han YANG ; Zhi-Yong XIAO ; Zi-Han YIN ; Zheng YU ; Jia-Jia LIU ; Yan-Qun XIAO ; Yao ZHOU ; Juan LI ; Jie YANG ; Fan-Rong LIANG
Journal of Integrative Medicine 2023;21(2):136-148
		                        		
		                        			BACKGROUND:
		                        			Polycystic ovary syndrome (PCOS) is the primary cause of anovulatory infertility, bringing serious harm to women's physical and mental health. Acupuncture may be an effective treatment for PCOS. However, systematic reviews (SRs) on the efficacy and safety of acupuncture for PCOS have reported inconsistent results, and the quality of these studies has not been adequately assessed.
		                        		
		                        			OBJECTIVE:
		                        			To summarize and evaluate the current evidence on the efficacy and safety of acupuncture for PCOS, as well as to assess the quality and risks of bias of the available SRs.
		                        		
		                        			SEARCH STRATEGY:
		                        			Nine electronic databases (Cochrane Library, MEDLINE, Embase, PsycINFO, CINAHL, Chinese National Knowledge Infrastructure, Wanfang Data, Chongqing VIP Chinese Science and Technology Periodical Database, and China Biology Medicine disc) were searched from their establishment to July 27, 2022. Based on the principle of combining subject words with text words, the search strategy was constructed around search terms for "acupuncture," "polycystic ovary syndrome," and "systematic review."
		                        		
		                        			INCLUSION CRITERIA:
		                        			SRs of randomized controlled trials that explored the efficacy and (or) safety of acupuncture for treating patients with PCOS were included.
		                        		
		                        			DATA EXTRACTION AND ANALYSIS:
		                        			Two authors independently extracted study data according to a predesigned form. Tools for evaluating the methodological quality, risk of bias, reporting quality, and confidence in study outcomes, including A Measurement Tool to Assess Systematic Reviews 2 (AMSTAR 2), Risk of Bias in Systematic Reviews (ROBIS), Preferred Reporting Items for Systematic Reviews and Meta-analyses for Acupuncture (PRISMA-A), and the Grading of Recommendations Assessment, Development and Evaluation (GRADE), were used to score the included SRs.
		                        		
		                        			RESULTS:
		                        			A total of 885 studies were retrieved, and 11 eligible SRs were finally included in this review. The methodological quality of 2 SRs (18.18%) was low, while the other 9 SRs (81.82%) were scored as extremely low. Four SRs (36.36%) were considered to be of low risk of bias. As for reporting quality, the reporting completeness of 9 SRs (81.82%) was more than 70%. Concerning the confidence in study results, 2 study results were considered to have a high quality of evidence (3.13%), 14 (21.88%) a "moderate" quality, 28 (43.75%) a "low" quality, and 20 (31.24%) considered a "very low" quality. Descriptive analyses suggested that combining acupuncture with other medicines can effectively improve the clinical pregnancy rate (CPR) and ovulation rate, and reduce luteinizing hormone/follicle-stimulating hormone ratio, homeostasis model assessment of insulin resistance, and body mass index (BMI). When compared with medicine alone, acupuncture alone also can improve CPR. Further, when compared with no intervention, acupuncture had a better effect in promoting the recovery of menstrual cycle and reducing BMI. Acupuncture was reported to cause no adverse events or some adverse events without serious harm.
		                        		
		                        			CONCLUSION
		                        			The efficacy and safety of acupuncture for PCOS remains uncertain due to the limitations and inconsistencies of current evidence. More high-quality studies are needed to support the use of acupuncture in PCOS.
		                        		
		                        		
		                        		
		                        			Pregnancy
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Polycystic Ovary Syndrome/etiology*
		                        			;
		                        		
		                        			Acupuncture Therapy/adverse effects*
		                        			;
		                        		
		                        			Infertility, Female/etiology*
		                        			;
		                        		
		                        			China
		                        			
		                        		
		                        	
3.Genetic analysis of a Fra(16)(q22) fragile site in a female with secondary infertility.
Chengxiu XIE ; Chonglan GAO ; Han KANG ; Qingsong LIU
Chinese Journal of Medical Genetics 2023;40(4):495-499
		                        		
		                        			OBJECTIVE:
		                        			To explore the genetic basis for a Fra(16)(q22)/FRA16B fragile site in a female with secondary infertility.
		                        		
		                        			METHODS:
		                        			The 28-year-old patient was admitted to Chengdu Women's and Children's Central Hospital on October 5, 2021 due to secondary infertility. Peripheral blood sample was collected for G-banded karyotyping analysis, single nucleotide polymorphism array (SNP-array), quantitative fluorescent polymerase chain reaction (QF-PCR) and fluorescence in situ hybridization (FISH) assays.
		                        		
		                        			RESULTS:
		                        			The patient was found to harbor 5 mosaic karyotypes involving chromosome 16 in a total of 126 cells, which yielded a karyotype of mos 46,XX,Fra(16)(q22)[42]/46,XX,del(16)(q22)[4]/47,XX,del(16),+chtb(16)(q22-qter)[4]/46,XX,tr(16)(q22)[2]/46,XX[71]. No obvious abnormality was found by SNP-array, QF-PCR and FISH analysis.
		                        		
		                        			CONCLUSION
		                        			A female patient with FRA16B was identified by genetic testing. Above finding has enabled genetic counseling of this patient.
		                        		
		                        		
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			In Situ Hybridization, Fluorescence
		                        			;
		                        		
		                        			Chromosome Fragile Sites
		                        			;
		                        		
		                        			Karyotyping
		                        			;
		                        		
		                        			Karyotype
		                        			;
		                        		
		                        			Infertility
		                        			
		                        		
		                        	
4.Effects of mild/asymptomatic COVID-19 on semen parameters and sex-related hormone levels in men: a systematic review and meta-analysis.
Bang-Wei CHE ; Pan CHEN ; Ying YU ; Wei LI ; Tao HUANG ; Wen-Jun ZHANG ; Sheng-Han XU ; Jun HE ; Miao LIU ; Kai-Fa TANG
Asian Journal of Andrology 2023;25(3):382-388
		                        		
		                        			
		                        			Coronavirus disease 2019 (COVID-19) has yet to be proven to alter male reproductive function, particularly in the majority of mild/asymptomatic patients. The purpose of this study was to explore whether mild/asymptomatic COVID-19 affects semen quality and sex-related hormone levels. To find suitable comparative studies, a systematic review and meta-analysis was done up to January 22, 2022, by using multiple databases (Web of Science, PubMed, and Embase). Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were used to identify and choose the studies. Meta-analysis was used to examine the semen parameters and sex-related hormones of mild/asymptomatic COVID-19 patients before and after infection. The effects of semen collection time, fever, and intensity of verification on semen following infection were also investigated. A total of 13 studies (n = 770) were included in the analysis, including three case-control studies, six pre-post studies, and four single-arm studies. A meta-analysis of five pre-post studies showed that after infection with COVID-19, sperm concentration (I2 = 0; P = 0.003), total sperm count (I2 = 46.3%; P = 0.043), progressive motility (I2 = 50.0%; P < 0.001), total sperm motility (I2 = 76.1%; P = 0.047), and normal sperm morphology (I2 = 0; P = 0.001) decreased. Simultaneously, a systematic review of 13 studies found a significant relationship between semen collection time after infection, inflammation severity, and semen parameter values, with fever having only bearing on semen concentration. Furthermore, there was no significant difference in sex-related hormone levels before and after infection in mild/asymptomatic patients. Mild/asymptomatic COVID-19 infection had a significant effect on semen quality in the short term. It is recommended to avoid initiating a pregnancy during this period of time.
		                        		
		                        		
		                        		
		                        			Pregnancy
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Semen Analysis
		                        			;
		                        		
		                        			Semen
		                        			;
		                        		
		                        			Infertility, Male
		                        			;
		                        		
		                        			Sperm Motility
		                        			;
		                        		
		                        			COVID-19
		                        			;
		                        		
		                        			Sperm Count
		                        			;
		                        		
		                        			Spermatozoa
		                        			;
		                        		
		                        			Testosterone
		                        			;
		                        		
		                        			Gonadal Steroid Hormones
		                        			
		                        		
		                        	
5.Biallelic mutations in WDR12 are associated with male infertility with tapered-head sperm.
Juan HUA ; Lan GUO ; Yao YAO ; Wen HU ; Yang-Yang WAN ; Bo XU
Asian Journal of Andrology 2023;25(3):398-403
		                        		
		                        			
		                        			Teratozoospermia is a rare disease associated with male infertility. Several recurrent genetic mutations have been reported to be associated with abnormal sperm morphology, but the genetic basis of tapered-head sperm is not well understood. In this study, whole-exome sequencing (WES) identified a homozygous WD repeat domain 12 (WDR12; p.Ser162Ala/c.484T>G) variant in an infertile patient with tapered-head spermatozoa from a consanguineous Chinese family. Bioinformatic analysis predicted this mutation to be a pathogenic variant. To verify the effect of this variant, we analyzed WDR12 protein expression in spermatozoa of the patient and a control individual, as well as in the 293T cell line, by Western blot analysis, and found that WDR12 expression was significantly downregulated. To understand the role of normal WDR12, we evaluated its mRNA and protein expression in mice at different ages. We observed that WDR12 expression was increased in pachytene spermatocytes, with intense staining visible in round spermatid nuclei. Based on these results, the data suggest that the rare biallelic pathogenic missense variant (p.Ser162Ala/c.484T>G) in the WDR12 gene is associated with tapered-head spermatozoa. In addition, after intracytoplasmic sperm injection (ICSI), a successful pregnancy was achieved. This finding indicates that infertility associated with this WDR12 homozygous mutation can be overcome by ICSI. The present results may provide novel insights into understanding the molecular mechanisms of male infertility.
		                        		
		                        		
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Pregnancy
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Animals
		                        			;
		                        		
		                        			Mice
		                        			;
		                        		
		                        			Teratozoospermia/pathology*
		                        			;
		                        		
		                        			Semen/metabolism*
		                        			;
		                        		
		                        			Infertility, Male/metabolism*
		                        			;
		                        		
		                        			Spermatozoa/metabolism*
		                        			;
		                        		
		                        			Mutation
		                        			;
		                        		
		                        			RNA-Binding Proteins/metabolism*
		                        			;
		                        		
		                        			Cell Cycle Proteins/genetics*
		                        			
		                        		
		                        	
6.Treatment Progress in Diminished Ovarian Reserve: Western and Chinese Medicine.
Qiao-Li ZHANG ; Ya-Ling LEI ; Yan DENG ; Rui-Lin MA ; Xue-Song DING ; Wei XUE ; Ai-Jun SUN
Chinese journal of integrative medicine 2023;29(4):361-367
		                        		
		                        			
		                        			Diminished ovarian reserve (DOR), generally defined as a decreased number or quality of oocytes, has a significant impact on quality of life and fertility in women. In recent years, the incidence of DOR has been increasing and the ages of patients are younger. The search for an effective DOR treatment has emerged as one of the preeminent research topics in reproductive health. An effective DOR therapy would improve ovarian function, fertility, and quality of life in patients. In this review we evaluated DOR treatment progress both in Western medicine and Chinese medicine, and elucidated the characteristics of each treatment.
		                        		
		                        		
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Medicine, Chinese Traditional
		                        			;
		                        		
		                        			Ovarian Reserve
		                        			;
		                        		
		                        			Quality of Life
		                        			;
		                        		
		                        			Oocytes
		                        			;
		                        		
		                        			Treatment Outcome
		                        			;
		                        		
		                        			Infertility, Female/therapy*
		                        			
		                        		
		                        	
7.Analysis of the relationship between MRI imaging characteristics and clinical symptoms and therapeutic efficacy in adenomyosis patients.
Xiao Tong HAN ; Hong Yan GUO ; Feng WANG ; Xin Ran GAO ; Lu LIU ; Mo Lin WANG
Chinese Journal of Obstetrics and Gynecology 2023;58(5):343-350
		                        		
		                        			
		                        			Objective: To investigate the relationship between magnetic resonance imaging (MRI) imaging characteristics and clinical symptoms and therapeutic efficacy in adenomyosis patients. Methods: The clinical characteristics of the adenomyosis questionnaire was self-designed. This was a retrospective study. From September 2015 to September 2020, totally 459 patients were diagnosed with adenomyosis and underwent pelvic MRI examination at Peking University Third Hospital. Clinical characteristics and treatment were collected, MRI was used to determine the lesion location, and to measure the maximum lesion thickness, the maximum myometrium thickness, uterine cavity length, uterine volume, the minimum distance between the lesion and serosa or endometrium, and whether combined with ovarian endometrioma. The difference of MRI imaging characteristics in patients with adenomyosis and its relationship with clinical symptoms and therapeutic efficacy were analyzed. Results: (1) Among the 459 patients, the age was (39.1±6.4) years. There were 376 patients (81.9%, 376/459) with dysmenorrhea. Whether patients had dysmenorrhea were related to uterine cavity length, uterine volume, ratio of the maximum lesion thickness to the maximum myometrium thickness, and whether patients had ovarian endometrioma (all P<0.001). Multivariate analysis suggested that ovarian endometrioma was the risk factor for dysmenorrhea (OR=0.438, 95%CI: 0.226-0.850, P=0.015). There were 195 patients (42.5%, 195/459) with menorrhagia. Whether patients had menorrhagia were related to age, whether patients had ovarian endometrioma, uterine cavity length, the minimum distance between lesion and endometrium or serosa, uterine volume, ratio of the maximum lesion thickness to the maximum myometrium thickness (all P<0.001). Multivariate analysis suggested that ratio of the maximum lesion thickness to the maximum myometrium thickness was the risk factor for menorrhagia (OR=774.791, 95%CI: 3.500-1.715×105, P=0.016). There were 145 patients (31.6%, 145/459) with infertility. Whether the patients had infertility were related to age, the minimum distance between lesion and endometrium or serosa, and whether patients had ovarian endometrioma (all P<0.01). Multivariate analysis suggested that young and large uterine volume were risk factors for infertility (OR=0.845, 95%CI: 0.809-0.882, P<0.001; OR=1.001, 95%CI: 1.000-1.002, P=0.009). (2) The success rate of in vitro fertilization-embryo transfer (IVF-ET) was 39.2% (20/51). Dysmenorrhea, high maximum visual analogue scale score and large uterine volume affected the success rate of IVF-ET (all P<0.05). The smaller the maximum lesion thickness, the smaller the distance between the lesion and serosa, the larger the distance between the lesion and endometrium, the smaller the uterine volume, and the smaller the ratio of the maximum lesion thickness to the maximum myometrium thickness, the better the therapeutic efficacy of progesterones (all P<0.05). Conclusions: Concomitant ovarian endometrioma increases the risk of dysmenorrhea in patients with adenomyosis. The ratio of the maximum lesion thickness to the maximum myometrium thickness is an independent risk factor for menorrhagia. Young and large uterine volume may increase the risk of infertility. Severe dysmenorrhea and large uterine volume affect the success rate of IVF-ET. The therapeutic efficacy of progesterones is relatively better when the lesion is small and far away from the endometrium.
		                        		
		                        		
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Adenomyosis/pathology*
		                        			;
		                        		
		                        			Dysmenorrhea/therapy*
		                        			;
		                        		
		                        			Menorrhagia/pathology*
		                        			;
		                        		
		                        			Endometriosis/therapy*
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Infertility/complications*
		                        			;
		                        		
		                        			Magnetic Resonance Imaging
		                        			
		                        		
		                        	
8.Incidence and genetic reproductive characteristics of AZFc microdeletion among patients with azoospermia or severe oligospermia.
Chiyan ZHOU ; Hui WANG ; Qin ZHU ; Luming WANG ; Binzhen ZHU ; Xiaodan LIU
Chinese Journal of Medical Genetics 2023;40(1):26-30
		                        		
		                        			OBJECTIVE:
		                        			To explore the incidence of azoospermia factor c (AZFc) microdeletion among patients with azoospermia or severe oligospermia, its association with sex hormone/chromosomal karyotype, and its effect on the outcome of pregnancy following intracytoplasmic sperm injection (ICSI) treatment.
		                        		
		                        			METHODS:
		                        			A total of 1 364 males with azoospermia or severe oligospermia who presented at the Affiliated Maternity and Child Health Care Hospital of Jiaxing College between 2013 and 2020 were subjected to AZF microdeletion and chromosome karyotyping analysis. The level of reproductive hormones in patients with AZFc deletions was compared with those of control groups A (with normal sperm indices) and B (azoospermia or severe oligospermia without AZFc microdeletion). The outcome of pregnancies for the AZFc-ICSI couples was compared with that of the control groups in regard to fertilization rate, superior embryo rate and clinical pregnancy rate.
		                        		
		                        			RESULTS:
		                        			A total of 51 patients were found to harbor AZFc microdeletion, which yielded a detection rate of 3.74%. Seven patients also had chromosomal aberrations. Compared with control group A, patients with AZFc deletion had higher levels of PRL, FSH and LH (P < 0.05), whilst compared with control group B, only the PRL and FSH were increased (P < 0.05). Twenty two AZFc couples underwent ICSI treatment, and no significant difference was found in the rate of superior embryos and clinical pregnancy between the AZFc-ICSI couples and the control group (P > 0.05).
		                        		
		                        			CONCLUSION
		                        			The incidence of AZFc microdeletion was 3.74% among patients with azoospermia or severe oligospermia. AZFc microdeletion was associated with chromosomal aberrations and increased levels of PRL, FSH and LH, but did not affect the clinical pregnancy rate after ICSI treatment.
		                        		
		                        		
		                        		
		                        			Child
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Pregnancy
		                        			;
		                        		
		                        			Azoospermia/genetics*
		                        			;
		                        		
		                        			Oligospermia/genetics*
		                        			;
		                        		
		                        			Incidence
		                        			;
		                        		
		                        			Chromosome Deletion
		                        			;
		                        		
		                        			Chromosomes, Human, Y/genetics*
		                        			;
		                        		
		                        			Semen
		                        			;
		                        		
		                        			Infertility, Male/genetics*
		                        			;
		                        		
		                        			Chromosome Aberrations
		                        			;
		                        		
		                        			Follicle Stimulating Hormone/genetics*
		                        			
		                        		
		                        	
9.Predictors of microsurgical varicocelectomy efficacy in male infertility treatment: critical assessment and systematization.
Azizbek B SHOMARUFOV ; Vladimir A BOZHEDOMOV ; Nikolay I SOROKIN ; Igor P MATYUKHOV ; Abdukodir A FOZILOV ; Shukhrat A ABBOSOV ; Armais A KAMALOV
Asian Journal of Andrology 2023;25(1):21-28
		                        		
		                        			
		                        			In this review, we tried to systematize all the evidence (from PubMed [MEDLINE], Scopus, Cochrane Library, EBSCO, Embase, and Google Scholar) from 1993 to 2021 on the predictors of microsurgical varicocelectomy efficacy in male infertility treatment. Regarding the outcomes of varicocele repair, we considered semen improvement and pregnancy and analyzed them separately. Based on the 2011 Oxford CEBM Levels of Evidence, we assigned a score to each trial that studied the role of the predictor. We systematized the studied predictors based on the total points, which were, in turn, calculated based on the number and quality of studies that confirmed or rejected the studied predictor as significant, into three levels of significance: predictors of high, moderate, and low clinical significance. Preoperative total motile sperm count (TMSC) coupled with sperm concentration can be a significant predictor of semen improvement and pregnancy after varicocelectomy. In addition, for semen improvement alone, scrotal Doppler ultrasound (DUS) parameters, sperm DNA fragmentation index (DFI), and bilateral varicocelectomy are reliable predictors of microsurgical varicocelectomy efficacy.
		                        		
		                        		
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Pregnancy
		                        			;
		                        		
		                        			Infertility, Male/surgery*
		                        			;
		                        		
		                        			Microsurgery
		                        			;
		                        		
		                        			Semen
		                        			;
		                        		
		                        			Sperm Count
		                        			;
		                        		
		                        			Sperm Motility
		                        			;
		                        		
		                        			Varicocele/surgery*
		                        			
		                        		
		                        	
10.Intense venous reflux, quantified by a new software to analyze presurgical ultrasound, is associated with unfavorable outcomes of microsurgical varicocelectomy.
Kai YOU ; Bang-Bin CHEN ; Peng WANG ; Ren-Ge BU ; Xue-Wen XU
Asian Journal of Andrology 2023;25(1):119-125
		                        		
		                        			
		                        			The hemodynamic characteristics of venous reflux are associated with infertility in patients with varicocele; however, an effective method for quantifying the structural distribution of the reflux is lacking. This study aimed to predict surgical outcomes using a new software for venous reflux quantification. This was a retrospective cohort study of a consecutive series of 105 patients (age range: 22-44 years) between July 2017 and September 2019. Venous reflux of the varicocele was obtained using the Valsalva maneuver during scrotal Doppler ultrasonography before microsurgical varicocelectomy. Using this software, the colored reflux signals were segmented, and the gray scale of the color pixels representing the reflux velocity was comprehensively quantified into the mean reflux velocity of the green layer (MRVG) and the reflux velocity standard deviation of the green layer (RVSDG). Spontaneous pregnancy and changes from baseline in the semen parameters were assessed during a 12-month follow-up period. Data were analyzed using logistic regression analysis. An association of the high MRVG group with impaired progressive motility (odds ratio [OR] = 2.868, 95% confidence interval [CI]: 1.133-7.265) and impaired sperm concentration (OR = 2.943, 95% CI: 1.196-7.239) was found during multivariate analysis. High MRVG (OR = 2.680, 95% CI: 1.086-6.614) and high RVSDG (OR = 2.508, 95% CI: 1.030-6.111) were found to be independent predictors of failure to achieve pregnancy following microsurgical repair. In summary, intense venous reflux is an independent predictor of impaired progressive motility, sperm concentration, and pregnancy outcomes after microsurgical varicocelectomy.
		                        		
		                        		
		                        		
		                        			Pregnancy
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Young Adult
		                        			;
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Varicocele/surgery*
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Semen
		                        			;
		                        		
		                        			Veins/surgery*
		                        			;
		                        		
		                        			Sperm Count
		                        			;
		                        		
		                        			Infertility, Male/surgery*
		                        			;
		                        		
		                        			Microsurgery/methods*
		                        			;
		                        		
		                        			Sperm Motility
		                        			
		                        		
		                        	
            

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