Reproductive biology and endocrinology : RB&E2023n = 190 studies
Meta AnalysisHuman
This systematic review and meta-analysis set out to find which lifestyle, environmental and health factors go with higher sperm DNA fragmentation, meaning breaks in the genetic material inside sperm, where…
Heliyon2023n = 40 studies
Meta AnalysisHuman
This meta-analysis set out to examine how alcohol intake affects male reproductive health by looking at semen quality, antioxidant levels in semen, sperm DNA damage, and sex hormones. It pooled…
Human reproduction update2023n = 223 studies, 288 estimates
Meta AnalysisHuman
This study set out to examine global trends in sperm count over the past several decades. It pooled data from 223 studies, including semen samples collected from men worldwide between…