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Infertility: Sperm retrieval 

Infertility: Sperm retrieval
Chapter:
Infertility: Sperm retrieval
Author(s):

Oliver Kayes

, and Akwasi Amoako

DOI:
10.1093/med/9780199659579.003.0098
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date: 13 November 2019

Surgical sperm retrieval combined with the advent of in vitro fertilization and intracytoplasmic sperm injection has enabled many men with obstructive and non-obstructive azoospermia to father their own biological children. Several sperm retrieval techniques have been described to obtain sperm from the vas deferens, epididymis, and testicular parenchyma for use in assisted reproduction technologies. The current techniques have variable success rates but have not been subjected to randomized control trials hence the paucity of good evidence to inform the choice of one technique over the others. In experienced hands, sufficient and good quality sperm can usually be harvested for treatment and/or cryopreservation. This chapter summarizes the current techniques of surgical sperm retrieval, sperm retrieval success rate, and the role of adjuvant therapies in increasing chance of successful sperm retrieval.

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