You do not have ejaculated sperm, and there are no signs of blockage. You have an extremely low number of ejaculated sperm. You have tried other methods of sperm extraction that have failed. MicroTESE ...

Hypogonadal individuals with nonobstructive azoospermia had better sperm extraction success following normogonadotropic hormone stimulation. Individuals with nonobstructive azoospermia (NOA) may ...

Extracting sperm direct from testes may be about to get a lot easier. That's according to results of an experimental procedure carried out on testes from transsexual patients, donated post-removal.

A new article published in the Journal of Medical Ethics continues to defend the concept of sperm donation from dead men, in order to improve sperm quality, and quantity. This would go far in ...

There is a man waiting for the doctor and his time is running out. It is late evening, just over an hour after the doctor first groped for his ringing phone. “Can you help us?” the woman on the other ...