In boys with undescended testis, the risk of developing infertility is traditionally predicted based on a decrease in germ cell count observed using testicular biopsy samples. However, the process of ...

Proper development of the fetal penis requires not just testosterone from the testes, but a second hormone produced by other tissues, including the placenta, according to a new study publishing ...

Many people with testicular cancer don’t have a family history of it. Still, your risk may be much higher if you have a parent or sibling with the disease. But environment and hormones also play a ...

In a small number of people, testicular cancer can run in families. Having a parent or brother with testicular cancer can increase a person’s risk of getting it. Also, some inherited conditions can ...