alexa Intracytoplasmic sperm injection in obstructive and non-obstructive azoospermia.
Genetics

Genetics

Journal of Aging Science

Author(s): Mansour RT, Kamal A, Fahmy I, Tawab N, Serour GI, , Mansour RT, Kamal A, Fahmy I, Tawab N, Serour GI,

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Abstract We compared the results of intracytoplasmic sperm injection (ICSI) in: (i) obstructive versus non-obstructive azoospermia, (ii) obstructive azoospermia using epididymal versus testicular spermatozoa and (iii) acquired versus congenital obstructive azoospermia due to congenital absence of the vas deferens (CAVD). A retrospective analysis was done of 241 consecutive ICSI cycles done in 103 patients with non-obstructive azoospermia and 119 patients with obstructive azoospermia. In the obstructive group, 135 ICSI cycles were performed. Epididymal spermatozoa were used in 44 cycles and testicular spermatozoa in 91 cycles. In the non-obstructive group, 106 cycles were performed. The fertilization and pregnancy per cycle rates were 59.5 and 27.3\% respectively using epididymal spermatozoa, 54.4 and 31.9\% respectively using testicular spermatozoa in obstructive cases, and 39 and 11.3\% respectively in non-obstructive cases. The fertilization and pregnancy per cycle rates were 56.6 and 37\% respectively in acquired obstructive cases, and 55.2 and 20.4\% respectively in CAVD. In conclusion, ICSI using spermatozoa from patients with acquired obstructive azoospermia resulted in significantly higher fertilization and pregnancy rates as compared to CAVD and non-obstructive cases.
This article was published in Hum Reprod and referenced in Journal of Aging Science

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