Alcohol can affect fertility by altering sperm count, size, shape, and motility. In men, heavy drinking affects fertility by: lowering testosterone levels, follicle stimulating hormone, and luteinizing hormone, and raising estrogen levels, which reduce sperm production.

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.

Is it OK to drink alcohol while trying to conceive?

Yes, alcohol affects conception and implantation and increases the risk of early pregnancy loss. There are several reasons for this: For women, heavy drinking can cause changes in ovulation, cycle regulation and ovarian reserve.