Urologii︠a︡ (Moscow, Russia : 1999)
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We assessed how bilateral microsurgical varicocelectomy alters semen quality in a large cohort of infertile men with bilateral varicocele. By means of bilateral testicular biopsy, we have investigated the spermatogenesis failure in several biological men groups and determined whether it can change the patient's candidacy for assisted reproductive technology procedures (ART). ⋯ Microscopic varicocelectomy has minimal morbidity and recurrence and may be beneficial for certain patients. Making simultaneous biopsy in patients with azoospermia and severe oligospermia makes it possible to distinctly define the extent of spermatogenesis disturbances and to elaborate adequate treatment policy. The drastic improvement of the sperm quality after varicocelectomy increases the ART chances for spontaneous pregnancy.