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 ...

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 ...

Nonobstructive azoospermia is an important cause of male infertility, but in many cases viable spermatozoa can be retrieved from the testes and used for assisted conception. There is evidence that ...

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.