The question of whether alcohol intake affects male reproductive function is controversial. In a new Andrology study, moderate alcohol intake was linked with higher semen volume, sperm concentration, and total sperm count.
In the study of 323 men patients, 9.6% were abstainers, 30.0% drank <1-3, 30.3% drank 4-7, and 30.0% drank ?8 alcohol units per week. (1 unit = 125 mL wine or 330 mL beer or 30 mL spirits, all containing approximately 12.5 g of ethanol). Compared with men drinking <1-3 units per week, median semen volume was higher in the 4-7 units/week group, as was total sperm count. Association with sperm concentration was also significant, with a U-shaped trend in groups of alcohol intake.
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