Transplanted testicles will always make the donor’s sperm

A veteran of the US Armed Forces has a new penis and scrotum after the most extensive penis transplant yet, Johns Hopkins Hospital announced this week. Not included in the transplant? Testicles — because the testicles would continue to make the donor’s sperm in the transplant recipient’s body.The patient, who asked Johns Hopkins not to reveal his name, suffered a devastating injury to his penis, testicles, part of his lower abdomen, and his legs in Afghanistan when an improvis