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One of the most used techniques for the treatment of infertility is the IVF (In Vitro Fertilization). The IVF technique is recommended in cases of female or male infertility, ovarian dysfunction, endometriosis or artificial insemination failure, among others.
But ... what exactly does it consist of? How is in vitro fertilization carried out?
Basically IVF aims to promote fertilization and get embryos to later implant them in the uterus, this fertilization can also be carried out by ICSI Intracytoplasmic Sperm Injection. IVF follows all of these steps:
1. Ovarian stimulation. Within an IVF, the first step is to diagnose the causes of infertility and start the process through ovarian stimulation. This is done through a pharmacological protocol specifically defined for each woman. With this we achieve that the ovaries produce a greater number of oocytes than usual (one per month) to have more possibilities of later fertilized embryos.
2. Extraction of the oocytes. The reproductive team monitors ovarian stimulation through hormonal analysis and ultrasound to find the best moment for the extraction of the oocytes, this is done by means of a transvaginal puncture of the follicles.
3. Preparation of semen. The semen is prepared in the laboratory through a process called sperm capacitation in order to select the most suitable sperm for fertilization.
4. Fertilization. Subsequently, incubation is promoted by contacting the sperm with the oocytes and they are left to incubate for a few hours to check if there has been fertilization. The number of fertilized oocytes is variable, it depends on each case.
5. Embryo transfer. Once fertilization has occurred, its evolution is observed to define the best day to carry out the embryo transfer. Usually 1 or 2 embryos are transferred.
6. Cryopreservation. If several embryos have been produced and some of them are not transferred to the uterus, they can be cryopreserved, provided that their quality is optimal. Cryopreservation is carried out for a period that usually spans the woman's fertile life so that she can use them later.
After a study of the couple, the Clinic always provides the technique that best suits their situation and wishes.
You can read more articles similar to What is an in vitro fertilization or IVF?, in the category of On-site fertility problems.