What is the definition and process of IVF without mother?

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Definition of IVF

Test tube baby, also known as artificial assisted reproduction (ART), refers to a kind of fertility method that combines sperm and eggs in the laboratory to cultivate embryos and implant them into the mother's uterus to develop into normal babies through in vitro fertilization technology. IVF technology has been widely used in infertility treatment, genetic disease screening and other reproductive auxiliary purposes.

The process of IVF usually includes the following steps:

Egg collection and fertilization

First, doctors use ultrasound technology to observe the development of follicles in the ovary. At an appropriate time, the ovarian follicle is punctured through puncture technology to collect mature eggs. Then, the collected eggs will be fertilized with sperm in the laboratory.

Fertilization can be carried out by conventional in vitro fertilization (IVF) or single sperm injection (ICSI). Conventional in vitro fertilization puts multiple mature sperm and eggs in the same culture dish, allowing sperm to self fertilize; Single sperm injection is to inject a sperm into an egg.

After fertilization, the doctor will observe the development of the fertilized egg and select the embryo with the most development potential for implantation.

Embryo culture

After selection of fertilized eggs, they are placed in a petri dish for culture. The culture process usually lasts for 3-5 days, and the embryo will go through different stages of development, forming a multi cell embryonic blastocyst. Doctors will closely observe the development of blastocysts to select the best embryos for implantation.

Embryo implantation

During the embryo culture process, the doctor will evaluate whether the patient's endometrium is suitable for embryo implantation. When the endometrium reaches the ideal condition, one or more embryos are selected for implantation. The implantation process is usually completed through vagina, vagina, cervix or skin directly into the uterus. The successfully implanted embryo will continue to develop in the uterus and eventually develop into a baby.

Care and observation after transplantation

After embryo implantation, patients need to receive appropriate care and observation. The doctor will advise the patient to rest for a period of time and take necessary medication to improve the pregnancy success rate. After the pregnancy is determined, the doctor will conduct further monitoring and guidance to ensure the good development of the embryo and the health of the mother.

To sum up, IVF is a way to develop into a baby's fertility by combining sperm and eggs, cultivating and implanting them into the uterus. After egg collection and fertilization, embryo culture, embryo implantation, care and observation after transplantation, the success rate of IVF has been continuously improved. IVF technology has brought hope to infertile patients and couples at risk of genetic diseases and realized their dream of establishing a family.