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