Article
Evolution of a culture protocol for successful blastocyst development and pregnancy
1 Jan 1998
Abstract excerpt
A cell-free culture system was designed for human embryo development to the blastocyst stage by testing a range of culture conditions in a series of protocols. The culture system that was evolved has a brief 1 h exposure to spermatozoa and then culture of the pronucleate zygote for 2 days in IVF-50 medium. Two or three embryos were cultured together in 20 microl microdrops of medium under oil. Embryos were then...
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