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Article

Unraveling a Subgroup of Men With Unexplained Male Infertility—Men With Normogonadotropic Nonobstructive Azoospermia

12 Apr 2025

Abstract excerpt

CONTEXT: Nonobstructive azoospermia (NOA) constitutes male infertility with complete absence of sperm in the ejaculate. NOA can originate in testicular malfunction or in endocrine dysregulation. Elevated follicle-stimulating hormone (FSH) levels are diagnostically valuable for NOA. OBJECTIVE: An azoospermic patient cohort comprising 79 men and exhibiting no obstruction but normal FSH levels was identified....

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PMID: 40231331
DOI: 10.1210/clinem/dgaf200

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 8 Sept 2026.

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