Doctor insights on:
Gamete Intrafallopian Transfer
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
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 These are all reasons why it has been superseded by ivf.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
What is the role of assisted reproductive techniques such as in vitro fertilization (ivf) and gamete intra fallopian transfer (gift) in the treatment of infertility of patients with endometriosis?
Bypass the tube: Although it is not completely understood why endometriosis causes infertility, it is commonly accepted that the endometriosis may result in pelvic adhesion, and affect the tubal function. Because ivf bypass the tube, so it will help these patients. ...Read moreSee 2 more doctor answers
Not aware of any: There are both rules regarding patient confidentiality at both the federal and state level. State by state rules vary but are centered in limiting access to personal medical information. For such a registry to exist the donor or donors would first have to agree to share their identifying information.I don't see that happening in the present environment. ...Read more
No, not really: How did you come up with this idea? ...Read more
Open donation: It depends on the agreement you made with the family. There are some families who want a lot of contact and others who don't. Some want to remain anonymous but that wouldn't be with open donation. Most providers would agree that this should have been spelled out before the gamete donation. Occurred. ...Read more
Donor : $50-100 for male, $4000-5000 for female.Get a more detailed answer ›
Get haploid state: A person needs to get 23 of their 46 chromosomes from each parent. The number of chromosomes needs to be reduced to create the gemetes. Hence meiosis. ...Read more
I was single and older so had double gamete donation. How can my kid tell his future bride about it?
I don't see the issu: What is the issue. You wanted a child and now have one. You raised him, and he might be married soon. I would tell the bried to be, but she most certainly would consider it an non-issue. ...Read more
See below: The gametes that are not fertilized during conception are wasted. ...Read more
Why is it the case that women are usually the reason for contributing the aneuploid gametes that leads to down syndrome?
Selection variables: If a woman generates an egg that contains 2 rather than 1 chromosome 21's, the addition of a 21 from the sperm will cause the trisomy 21 condition. Some of these miscarry & some deliver. When males generate a sperm that carries irregular information, there is speculation that the ones with bad information do not swim as well & thus can't pass the defect. ...Read more
Hi, i am writing a paper right now on infertility and the solutions. are there ways to physically change the gametes to make fertilization easier?
Unclear : It's not clear exactly what you mean. If this is a research project for school consider searching the published medical literature on pubmed or medline. ...Read more
I am informed about ovarian/testicular cancer, but this is about the haploid gametes themselves: can they start dividing uncontrolaby?
They do not: They are postmitotic. The tumors that arise from the diploid gametes are semitones and dysgerminoma and they are diploid. ...Read more
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