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Infertility Terms & Definitions


ZIFT: See Zygote Intrafallopian Transfer.

Zona Pellucida: The protective outer membrane surrounding the egg.

Zygote: A fertilized egg which has not yet divided.

Zygote Intrafallopian Transfer (ZIFT): An ART in which eggs are removed from a woman's ovaries, fertilized with the man's sperm in a lab dish, and the resulting Zygotes are transferred into the woman's fallopian tubes during a minor surgical procedure.