There are many potential causes of infertility, and it can be challenging to pin down just what the problem is when a couple is having trouble getting pregnant. Now, researchers show that a few key ...

Learn more about the DNA and RNA that sperm carry and how they may suddenly change during midlife.

According to research from a team at the University of Utah Health and the University of Nevada, Reno School of Medicine, ...

(CNN) -- Scientists have long questioned whether human papillomavirus, or HPV, infections in men could affect their sperm health and fertility. Now, an early study finds that high-risk HPV infections ...

Jaiwen Hsu was an active 11-year-old when he developed pain in his left knee that forced him to sit out a few soccer games. What his parents thought was a sports injury turned out to be osteosarcoma, ...

Male fertility is strongly influenced by diet and lifestyle habits. Consistent healthy choices can improve sperm quality ...

A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood, in an attempt to regain fertility. Doctors are waiting to see if the ...