Human reproduction requires both male and female gametes. Gametes are special sex cells that contain the genetic information necessary to create a new life. Men produce millions of gametes called ...

The fertilisation mechanism between sperm and an egg works like a lock and key across the animal kingdom, a new study showed. “We discovered this mechanism that’s really fundamental across all ...

Human sperm have been created using embryonic stem cells for the first time in a scientific development which will lead researchers to a better understanding of the causes of infertility. Researchers ...

This article was reviewed by Darragh O’Carroll, MD. Key Takeaways: After a vasectomy, sperm production doesn’t stop — but ...