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Fertil Steril. 1992 Jul;58(1):197-8.

Improved fertilization rate in an in vitro fertilization program by egg yolk-treated sperm.

Author information

1
In Vitro Fertilization/Embryo Transfer Unit, Tel Aviv Sourasky Medical Center, Israel.

Abstract

High fertilization and PRs have been achieved by using thawed donor sperm cryopreserved with medium containing EY. The aim of our study was to examine the possible effect of EY on the fertilizing capacity of fresh sperm in an IVF program. Preincubation of spermatozoa in EY for 2 hours at room temperature significantly improved fertilization (P less than 0.001) in couples who had low fertilization rates in previous cycles, whereas no effect was found concerning couples with high fertilization rates.

PMID:
1624006
DOI:
10.1016/s0015-0282(16)55161-9
[Indexed for MEDLINE]

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