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The resulting zygote is placed into the fallopian tube by the use of laparoscopy. The procedure is a spin-off of the gamete intrafallopian transfer (GIFT) procedure. The pregnancy and implantation rates in ZIFT cycles are 52.3 and 23.2% which were higher than what was observed in IVF cycles which were 17.5 and 9.7%. [1]
There are two stages of migration involved in implantation, the first is the migration of the zygote, and the second is the migration of the trophoblast. [13] Fertilization of the oocyte, takes place in the ampulla of the fallopian tube. Cilia on the lining of the tube move the zygote in its migration towards the uterus. [13]
Human fertilization is the union of an egg and sperm, occurring primarily in the ampulla of the fallopian tube. [1] The result of this union leads to the production of a fertilized egg called a zygote, initiating embryonic development. Scientists discovered the dynamics of human fertilization in the 19th century. [2]
In vitro fertilization (IVF) is a process of fertilization in which an egg is combined with sperm in vitro ("in glass"). The process involves monitoring and stimulating a woman's ovulatory process, then removing an ovum or ova (egg or eggs) from her ovaries and enabling a man's sperm to fertilise them in a culture medium in a laboratory.
Gamete intrafallopian transfer (GIFT) is not technically in vitro fertilisation because with GIFT, fertilisation takes place inside the body, not on a Petri dish. [7] The Catholic Church nevertheless is concerned with it because "Some theologians consider this to be a replacement of the marital act, and therefore immoral."
Zygote intrafallopian transfer This page was last edited on 17 June 2022, at 07:25 (UTC). Text is available under the Creative Commons Attribution ...
Each fallopian tube leaves the uterus at an opening at the uterine horns known as the proximal tubal opening or proximal ostium. [9] The tubes have an average length of 10–14 centimeters (3.9–5.5 in) [4] that includes the intramural part of the tube. The tubes extend to near the ovaries where they open into the abdomen at the distal tubal ...
The optimal target for embryo placement, known as the maximal implantation potential (MIP) point, is identified using 3D/4D ultrasound. [25] However, there is limited evidence that supports deposition of embryos in the midportion of the uterus. [9] [24] After insertion of the catheter, the contents are expelled and the embryos are deposited.