Obstruction of the male genital tract prevents the normal passage of sperm despite intact spermatogenesis. Causes include congenital absence of ducts, inflammation, surgical injury, and trauma.
Obstructive infertility typically presents with low semen volume or azoospermia and normal hormonal profiles. Diagnosis relies on semen analysis, imaging studies, and sometimes testicular biopsy.
From an andrological standpoint, identifying obstruction is essential, as sperm retrieval techniques may allow erotic successful biological parenthood through assisted reproduction.
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