azoospermi
Azoospermia is the medical condition in which a man's semen contains no measurable sperm, leading to infertility. It affects about 1% of all men and up to 10–15% of men evaluated for infertility. The term azoospermia is used in English, while some languages render it as azoospermi.
Causes are divided into obstructive azoospermia (OA) and non-obstructive azoospermia (NOA). OA results from a blockage
Diagnosis typically begins with semen analyses showing no sperm on two occasions. A physical examination and
Treatment and prognosis depend on the underlying cause. OA may be managed with reconstructive surgery or by