Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Azoospermia
Medically reviewed by Min Clinic Staff | Updated: January 2026
Azoospermia: No sperm at all. The ejaculate is completely devoid of sperm.
By contrast, in oligospermia (literally, few sperm) there are some sperm, but fewer than normal.