Doctor insights on:
Who Could Benefit From Zygote Intrafallopian Transfer
Zift: Not exactly sure. See: http://harvardmagazine.com/1997/11/f.science.htmlGet a more detailed answer ›
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
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
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 These are all reasons why it has been superseded by ivf.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
GIFT: Gamete intrafallopian transfer (gift) is a surgical procedure, typically performed via laparoscopy, where sperm and eggs are transferred into the end of the female's fallopian tube. The eggs fertilize in the tube and the resulting embryo migrates to the uterine cavity where it implants. ...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
You Don't: No reputable program would offer this technique unless perhaps you were born without a vagina. This was once an option for clinics that demonstrated poor ivf results, but as knowledge improved this is simply a great way to experience ectopic pregnancies and multiple births for twice the cost of normal ivf. ...Read moreSee 1 more doctor answer
Matter of law/ethics: Certainly, all potential that is human is in a zygote. But we have a very long legal history of allowing the needs/rights of one human entity to over-ride those of another. Until a zygote/embryo/fetus can be cared for outside the mother's body, it is, without question, still an extension of her body and therefore subject to her choices about her body.Without choice, her humanity is diminished. ...Read moreSee 1 more doctor answer
Toxic effect: When ethanol is broken down in the body, byproducts including acetaldehyde can have a direct toxic effect on tissue formation.Some are more susceptible than others. The severity alcohol effects correlates directly with the intensity of alcohol exposure. There is no known safe level of alcohol consumption but occasional exposure is common & most kids with that history are fine. ...Read more
Head of a pin: or about 1-2 mm. Thanks for trusting HealthTap! ...Read more
Implantation of the zygote require the following to be working together:
1. Intact fallopian tube for the journey back to the endometrium.
2. Adequate endometrial thickness of 7 to 8mm.
3. Adequate level of cytokines, progesterone and estrogen.
4. Intact genetic make of the zygote.
Combination of all the above factors facilitate implantation and lack of the above impede implantation. ...Read more
It depends on how: early or late in your ovulation cycle the sperm penetrated the ovum. Early on, the fertilization generally occurs in the oviduct, or Fallopian tube, then the zygote travels towards the uterus within the next 48 hours. Spermatozoa can stay viable in the uterus for 72 hours. Thanks for trusting in HealthTap. ...Read more
Faith issue: For the religious trained to believe that life begins at fertilization, loss of any fertilized egg or fetus is a killing. A few religions say life begins at implantation - mormons for instance. Many say nothing. If the death of a fertilized egg is abortion, than your diety is the big perpetrator since about 70-85% of ferilized eggs pass out without implantation. None of this is in the bible. ...Read more
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