A human female is born with all the egg cells she will ever have. The possibility for the development of new oocytes is zero. Given this constraint, it is crucial that these gametes remain healthy and ...

New research shows how sperm RNA changes as men age, revealing a biological shift that may affect reproduction and child ...

It's a myth that sperm die upon contact with oxygen. In fact, their resilience might surprise you. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...