Medical experts reveal the surprising connection between tight jeans and fertility issues, easy ways to protect your ...

"Sperm is the actual reproductive cell, whereas semen is the fluid that transports and supports sperm. Think of sperm as the 'passengers' and semen as the 'vehicle' that ensures their safe passage." ...

How do behavior, morphology and physiology act in concert to improve a male's reproductive success - and why is there so much variation among outcomes within and between species? Aa Aa Aa ...

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

Male: By the tenth week of pregnancy, a fetus's gender is evident, and by week 14 sex organs have formed. Female: At 20 weeks, a female fetus has a fully developed reproductive system, replete ...

On this Sexual and Reproductive Health Awareness Day learn how certain diseases impact sexual and reproductive health their ...

The Silent Struggle Men often find themselves standing on the sidelines of reproductive loss ... can naturally help regulate the nervous system by promoting a sense of safety and connection.