Study Status: Completed
Recruit Status: Unknown status
Study Type: Interventional
Official Title: Follicle-stimulating Hormone Treatment for Infertile Male Patients With Non-obstructive Azoospermia: a Multicenter Randomized Clinical Trial
Brief Summary: Aim of the study is to evaluate the effect of highly purified human follicle-stimulating hormone treatment on the chance of retrieving testicular sperm (sperm retrieval rate) from infertile male patients with non-obstructive azoospermia of unknown origin.