Differentiation between nonobstructive azoospermia and obstructive azoospermia: then and now
Logan Hubbard,
Amarnath Rambhatla,
Giovanni M Colpi
Abstract:Male infertility has seen an increase in prevalence with cases of azoospermia estimated to affect 10%–15% of infertile men. Confirmation of azoospermia subsequently necessitates an early causal differentiation between obstructive azoospermia (OA) and nonobstructive azoospermia (NOA). Although less common when compared to NOA, OA can represent upward 20%–40% of cases of azoospermia. While there are a multitude of etiologies responsible for causing NOA and OA, correctly distinguishing between the two types of az… Show more
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