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Potential of testicular sperm to support embryonic development to the blastocyst stage is comparable to that of ejaculated sperm.


ABSTRACT: PURPOSE:Recent studies have shown that improved clinical outcomes can be achieved by transferring blastocysts rather than cleavage-stage embryos. However, blastocyst transfer is not performed in all patients. The aim of this study was to compare clinical outcomes of intracytoplasmic sperm injection (ICSI) cycles using testicular sperm (TE) with those of ICSI cycles using ejaculated sperm (EJ). METHODS:ICSI was performed using EJ in 141 cycles and TE in 37 cycles. Embryos were cultured for 5 days. The quality of embryos was assessed on days 3 and 5 before embryo transfer. RESULTS:Fertilization rate was 77.3% in the EJ group and 69.6% in the TE group (p?

SUBMITTER: Lee SH 

PROVIDER: S-EPMC6030020 | biostudies-literature | 2018 Jun

REPOSITORIES: biostudies-literature

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Potential of testicular sperm to support embryonic development to the blastocyst stage is comparable to that of ejaculated sperm.

Lee Sun-Hee SH   Park Chan Woo CW   Cheon Yong-Pil YP   Lim Chun Kyu CK  

Journal of assisted reproduction and genetics 20180505 6


<h4>Purpose</h4>Recent studies have shown that improved clinical outcomes can be achieved by transferring blastocysts rather than cleavage-stage embryos. However, blastocyst transfer is not performed in all patients. The aim of this study was to compare clinical outcomes of intracytoplasmic sperm injection (ICSI) cycles using testicular sperm (TE) with those of ICSI cycles using ejaculated sperm (EJ).<h4>Methods</h4>ICSI was performed using EJ in 141 cycles and TE in 37 cycles. Embryos were cult  ...[more]

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