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What are the methods of IVF?

What are the methods of IVF?



Method of IVF

IVF is a kind of assisted reproductive technology, which aims to help couples who cannot conceive naturally realize their reproductive aspirations. The methods of IVF will be introduced in detail in the following four aspects: in vitro fertilization, embryo transfer, embryo quality screening and frozen embryo retention.

In vitro fertilization

In vitro fertilization is one of the core steps of IVF technology. First, doctors will promote women to produce multiple follicles through hormone therapy. Then, after the follicle matures, the egg is taken out through vagina or skin puncture. At the same time, sperm was obtained from male donors. Next, under laboratory conditions, eggs and sperm are fertilized in vitro in an in vitro culture dish, that is, sperm is injected into eggs. After successful fertilization, the embryo begins to form. During in vitro fertilization, doctors need to closely monitor the growth and maturity of follicles. Proper follicle growth and obtaining enough eggs can improve the success rate of IVF.

embryo transfer

Embryo transfer is another key step in IVF technology. After a period of culture, the doctor will select an appropriate number of well developed embryos and transplant them into the female uterus. This process is usually carried out through vagina or laparoscope, without surgery. After embryo transfer, doctors will give women some drugs to help with implantation and pregnancy. The success of embryo transfer depends on the quality of embryos and the internal environment of women's uterus. Doctors usually choose high-quality embryos for transplantation to improve the success rate of pregnancy.

Embryo quality screening

Embryo quality screening is an important step in IVF technology. In the process of embryo culture, doctors will evaluate the quality of the embryo according to its shape, number of cells, development degree and other indicators. Better quality embryos usually have higher survival and implantation capacity. In order to improve the success rate of IVF, many hospitals employ special embryo quality assessors to screen embryo quality. They use microscopes and other assistive technologies to observe and evaluate embryos in detail, so as to select the embryos most likely to develop into healthy babies for transfer.

Frozen embryo preservation

Another method of IVF is frozen embryo preservation. After in vitro fertilization and embryo culture, doctors will select well developed embryos for cryopreservation. These embryos can be stored in liquid nitrogen tanks for a long time, waiting for future transplantation. Frozen embryo preservation has great advantages, which can avoid repeated in vitro fertilization and embryo culture process and reduce the physical and psychological burden of patients. In addition, by keeping frozen embryos, patients can choose the best time for transplantation according to their own conditions, so as to improve the success rate of pregnancy.

summary

As an assisted reproductive technology, in vitro fertilization, embryo transfer, embryo quality screening and frozen embryo retention provide couples who are unable to conceive naturally with opportunities to achieve their reproductive aspirations. In vitro fertilization (IVF) is to cultivate embryos by fertilizing them in an in vitro culture dish; Embryo transfer Transfer the well developed embryo into the female uterus; Embryo quality screening uses indicators such as embryo shape and development degree to select the embryos most likely to develop into healthy infants; Cryopreservation can freeze well developed embryos for future use. The application of these methods enables more and more couples to realize their reproductive dreams.
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