When talking about fertility in routine practice, we usually refer to the World Health Organization’s guideline of roughly 15 million sperm per millilitre (and around 39–40 million total per ejaculate ...

This article was reviewed by Lynn Marie Morski, MD, JD. So, you’ve been told your swimmers are lacking a little bit. If you’re now wondering, Can a man recover from low sperm count?, the answer is ...

Receiving news about a low sperm count can trigger a wave of emotions from concern to confusion. This condition, affecting approximately 15% of couples struggling with fertility issues, leaves many ...

When opposite sex couples are trying and failing to get pregnant, the attention often focuses on the woman. That’s not always the case. Several times a month, men come into my office to ask, “Could I ...

What sperm can tell us about a man's overall health — and how it affects pregnancy, maternal health and more. (Photo illustration: Yahoo News; photos: Getty Images) For centuries, women were usually ...

It takes about 10 to 11 weeks for new sperm to mature, so any damage caused by heat today can affect fertility for several months. This is why the testicles hang outside the body, in the scrotum, to ...