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To describe associations between serum inhibin-b and sperm counts, adjusted for effect of time of blood sampling, in larger cohorts than have been previously reported.Cross-sectional studies of spermatogenesis markers.Four European and four US centers.Fertile men (1,797) were included and examined from October 1996–February 2005.The study was observational and therefore without any intervention.Associations...
To examine the association between stressful life events and semen parameters.Cross-sectional analysis in a pregnancy cohort study.Prenatal clinics in five U.S. cities.Fertile men (n = 744) in the Study for Future Families, a cohort study of pregnant women and their partners.None.Sperm concentration, percent motile, and percent normal morphology and classification above/below World Health Organization...
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