Studies show heavy, consistent drinking or binge drinking — five or more drinks in men in a two-hour timeframe — have negative effects on sperm. More than 14 mixed drinks in a week can lower testosterone levels and affect sperm count.

Can a man drink alcohol when trying to conceive?

But a new study suggests that men hoping to become fathers should also stay away from alcohol for at least six months before trying to conceive.

When should a man stop drinking before conceiving?

To reduce the risk of having a baby with a congenital heart defect, men should avoid drinking alcohol for at least six months prior to fertilization.