Pregnancies after intracytoplasmic sperm injection with cryopreserved testicular spermatozoa.

Abstract

In 25 patients (14 suffering from obstructive azoospermia, six from non-obstructive azoospermia, three from asthenoazoospermia and two from absence of ejaculation) spermatozoa were extracted from testicular biopsies. Intracytoplasmic sperm injection (ICSI) with fresh testicular spermatozoa was performed in 18 cases; spermatozoa in excess were cryopreserved… (More)

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