IVF Gift and Zift are two modified versions of assisted reproductive technologies. Overview and Key Difference 2. This process was first attempted by Steptoe and Edwards.
And later, it was developed by endocrinologist Ricardo Asch. It takes approximately four to six weeks to complete a Gift cycle. First, the woman must take fertility drugs to stimulate egg production. Then the doctor will monitor the ovarian follicles, and once they are matured, the woman will be injected with HCG hormone human chorionic gonadotropin. A woman must have one fallopian tube in order to perform Gift. It can be done in instances when there is sperm dysfunction and when the couple suffers from idiopathic unknown cause infertility.
This makes it increasingly unlikely that an ART procedure using her own eggs will result in pregnancy and a healthy baby. Many women over age 40 choose to use donor eggs. It greatly improves their chances of giving birth to a healthy child. ZIFT requires two separate procedures. The first is to collect the eggs from the woman's ovaries. The second is done several days later when the fertilized egg zygote is placed in her fallopian tube. If GIFT fails, a doctor does not learn anything about the sperm's ability to fertilize the eggs.
With in vitro fertilization, the sperm fertilizes the egg in the laboratory. In that case, a health professional can tell whether fertilization has occurred and can follow embryo development. In vitro fertilization usually costs less. Author: Healthwise Staff. This information does not replace the advice of a doctor.
Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use and Privacy Policy. Learn how we develop our content. To learn more about Healthwise, visit Healthwise. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. Top of the page. Treatment Overview Some infertile couples are affected by conditions that prevent the sperm and egg from travelling through a fallopian tube.
ZIFT is an assisted reproductive procedure that involves the following steps:. ZIFT is an assisted reproductive procedure which may be the selected form of treatment for any infertility problems except the following:. ZIFT is commonly chosen by couples who have failed to conceive after at least one year of trying and who have failed five to six cycles of ovarian stimulation with intrauterine insemination IUI.
Some couples want to explore more traditional or over the counter efforts before exploring infertility procedures. If you are trying to get pregnant and looking for resources to support your efforts, we invite you to check out the fertility product and resource guide provided by our corporate sponsor. Review resource guide here. However, if you are looking for testing or options to increase your fertility chances of conception, you can find a fertility specialist with the search tool below:.
How is zygote intrafallopian transfer performed? Eggs are then collected through an aspiration procedure. Those eggs are fertilized in a laboratory in a procedure identical to IVF, with the exception of the time frame. The fertilized eggs are then transferred through a laparoscopic procedure where a catheter is placed deep in the fallopian tube and the fertilized eggs injected. The final step is to watch for early pregnancy symptoms.
The fertility specialist will probably use a blood test to determine if pregnancy has occurred. Who should be treated with ZIFT?
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