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 These are all reasons why it has been superseded by ivf.
Answered 12/9/2013
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A doctor has provided 1 answer
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