What´s In Vitro Fertilization

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In vitro fertilisation
Infertility, the inability to become pregnant after one year of unprotected intercourse, remains a problem that is faced by many people. In vitro fertilisation (IVF) is one of the several assisted reproductive technologies (ART) used to help infertile couples to take in a child. IVF is a process of fertilising eggs with sperm outside of the human body. Once the eggs are fertilised, the resulting embryos are placed in the woman’s uterus in the hope that a successful pregnancy will follow. IVF is the most effective for of ART. With the IVF process, sperm fertilise the egg in a laboratory, rather than inside the woman’s fallopian tubes. Your chances of having a healthy baby using IVF can be time-consuming, expensive and invasive. If more than one embryo is implanted in your uterus. IVF can result in a pregnancy with more than on fetus. The fertilised embryos are developed in the laboratory over a period of two to five days, and then transferred to the woman’s uterus in a procedure called an embryo transfer. Freezing embryos gives more opportunities for a pregnancy for each hormone stimulation cycle and egg collection.
In vitro fertilisation is a treatment for infertility or genetic problems. IVF may be an option to people that has Fallopian tube damage or blockage, which makes it difficult for an egg to be fertilised or for an embryo to travel to the uterus. If ovulation is infrequent or absent, fewer eggs are available for fertilisation. Loss of normal ovarian function before age 40. If your ovaries fail, it does not produce normal amounts of the hormone estrogen or have eggs to release regularly. When the uterine tissue implants and grows outside of the uterus, often affecting the function of the ovaries, ut...

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...nce of getting pregnant than natural fertility, it does not overcome the fall in fertility that is seen when women usually reach their late 30s and early 40s, if a woman’s eggs are of poor quality or there are none left, the only option will be to use donor eggs. Success with IVF also relies on a woman responding to the drugs. If she does not respond, the ovaries will only produce one egg as usual, which greatly reduces the chance success.

To achieve the best possible live birth rates after IVF while minimizing the risk for multiple pregnancy, one or two embryos that are considered to have the best chance of implanting are selected for transfer
Mastenbroek, S, Van, VF, Aflatoonian, A, Shapiro, B, Bossuyt, P & Repping, S 2011 'Embryo selection in IVF', Human Reproduction, vol. 26, no. 5, pp. 964-966.
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