Testicular pain is pain you feel in one or both of your testicles. Your testicles are the two soft, round structures inside your scrotum, the sac of skin underneath your penis. Testicles make sperm ...

There are four main stages of testicular cancer. In the initial stages, precancerous cells are present in the testicles. In later stages, the cancer has spread to distant parts of the body. In its ...

Researchers have created lab-grown testicle organoids that closely resemble the real thing. The breakthrough provides a promising model for research that may advance our understanding of the organs' ...