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Table 5 Summary of study findings on alcohol and male reproductive function

From: Alcohol and fertility: how much is too much?

Level of alcohol consumption Effects on male reproduction Reference
Any alcohol consumption No effect on fecundability Curtis, et al. 1997
No increased subfecundity Olsen, et al. 1997
No effect on any semen parameters or pregnancy rate de Jong, et al. 2014
No difference in any semen parameters Jensen, et al. 2014
> 20 drinks per week vs. 1-10 drinks per week Increased serum free testosterone (19.7-24.6 pmol/l higher) and total testosterone (0.9-1.0 nmol/l higher)