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ZIFT
Zygote intrafallopian transfer (ZIFT), is essentially the same procedure as gamete intrafallopian transfer (GIFT), except that instead of transferring raw egg and sperm into the fallopian tube, the egg and sperm are placed in a petri dish, where they are fertilized but not cultured into embryos. The fertilized egg and sperm are transferred in their undivided state, called a "zygote."
In a ZIFT procedure, the transfer of the egg and sperm are conducted 18-52 hours following egg retrieval, so that the egg and sperm may fertilize.
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