Doctor insights on:
What Is Zygote Intrafallopian Transfer
ZIFT candidate: Embryos live best in the environment of the tubes which act as natural incubators. For women older than 42, ivf may not offer much advantage over the natural cycle. Some studies had shown that placing embryos (zift) or the sperm and eggs (gift) into the distal tubes could yield higher live birth rates than ivf. For most patients, however, ivf is more cost effective than zift or gift. ...Read moreSee 1 more doctor answer
Zift: Not exactly sure. See: http://harvardmagazine.com/1997/11/f.science.htmlGet a more detailed answer ›
Rarely used any more: Zift is / was more invasive than ivf because it requires laparoscopy to transfer the zygotes into the woman's tube. Compared with modern ivf (in vitro fertilization) zift has lower success rates, has less ability to select the 'best' embryos, and depends on the tubes being fairly functional. These are all reasons why it has been superseded by ivf. ...Read more
Embryo: Z is zygote and G is gamete (egg or sperm). ZIFT already contains the fertilized egg. Both techniques essentially were replaced by IVF and normal uterine embryo transfer 15 years ago. Unless there is no way to get an embryo into your cervix and into the uterus (severe scarring, permanent cerclage, etc), normally those would never be used anyway ...Read more
Early embryo in tube: Zift is zygote intrafallopian tube transfer. It's a procedure where sperm fertilizes an egg in a dish. The embryologist gives the resulting fertilized egg (zygote) to a fertility specialist who in turn surgically transfers the zygote into the fallopian tube. Hardly ever done any more. ...Read moreSee 1 more doctor answer
Procedure of the pas: We only do these now if it is required by insurance. Gift is gamete (eggs and sperm) mixed in the fallopian tubes does not assure fertilization and identification of embryo division. Unlike zift, zygotes- fertilized eggs are transferred back to the tubes the day after retireval. ...Read more
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