In boys who, before starting puberty, undergo radical treatments that can affect their fertility, testicular tissue can be preventively removed and frozen. This is done to preserve testicular stem ...

Add Yahoo as a preferred source to see more of our stories on Google. (Kateryna Kon/Science Photo Library/Getty Images) Chemotherapy and radiation have saved the lives of millions of children ...

Doctors at Johns Hopkins University said Monday they have performed the world’s first total penis and scrotum transplant on a US military serviceman who was wounded in Afghanistan. The 14-hour ...

A 27-year-old man has produced mature sperm after receiving the world’s first transplant of testicular tissue frozen before puberty. The tissue, removed before chemotherapy for sickle cell disease 16 ...

An infertile man given the world’s first frozen testicular tissue implant has fresh hope of starting a family after he was able to produce sperm. The now 27-year-old had tissue from his testicles ...