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105 What are the technical principles and operating steps of IVF?

Release time: April 5, 2024 00:05:13 This article is written by registered users Nostalgia Upload provided

105 What are the technical principles and operating steps of IVF?



Technical principle and operation steps of IVF

In Vitro Fertilization (IVF) is an assisted reproductive technology, which is widely used in couples who cannot conceive naturally. The technical principle, operation steps, possible risks and common hospitals of IVF will be described in detail below.

1、 Technical Principles

The technical principle of IVF is to culture the fertilized egg in vitro to the blastocyst stage, and then transfer the blastocyst to the mother's uterus to realize pregnancy and delivery. The main steps are as follows: 1. Ovulation promotion: Stimulate ovarian development and promote simultaneous development and maturation of multiple follicles by giving patients ovulation promotion drugs. 2. Egg collection: after the follicles are mature, the eggs are collected. The eggs were obtained by ultrasound guided fine needle extraction. 3. Sperm treatment: Collect the semen sample of the man, and after treatment, select the high-quality sperm to combine with the egg. 4. Fertilization and culture: Put the treated sperm and eggs in a culture dish, and let them fertilize and culture in vitro to form an embryo. 5. Embryo transfer: transfer the cultured embryos into the mother's uterus through a catheter to achieve embryo implantation.

2、 Operation steps

1. Physical examination and consultation: The couple should receive a comprehensive physical examination and consult with the doctor in detail to understand the IVF process, precautions and possible risks. 2. Ovulation promotion stage: the woman will receive ovulation promotion treatment according to the doctor's requirements, and will receive regular ultrasonic examination. 3. Egg collection: when the follicles are properly developed, the egg collection operation is carried out. The eggs are extracted through a fine needle guided by transvaginal ultrasound. 4. Sperm processing: The man provided semen samples, which were processed and centrifuged to screen out high-quality sperm. 5. Fertilization and culture: combine sperm and egg and culture them, provide nutrition through the culture medium, and simulate the natural growth process. 6. Embryo transfer: select a suitable embryo for transfer, and put the embryo into the mother's uterus through a catheter. 7. Pregnancy detection: serum β - HCG quantitative detection should be carried out about two weeks after transplantation to determine whether pregnancy occurs.

3、 Possible risks

1. Multiple pregnancy: IVF technology is easy to lead to multiple pregnancy, increasing the risk of delivery and pregnancy complications. 2. Ovarian puncture injury: Ovarian puncture surgery may lead to ovarian rupture, bleeding, infection and other complications. 3. Embryo implantation failure: sometimes the embryo cannot be implanted successfully after implantation into the uterus, leading to treatment failure. 4. Psychological and economic pressure: IVF technology requires a lot of time and money, and couples may face psychological and economic pressure.

4、 Common hospitals

1. Peking Union Medical College Hospital: As a well-known comprehensive hospital in China, Peking Union Medical College Hospital has a reproductive medical center with advanced IVF technology. 2. Shanghai No. 1 People's Hospital: as a famous top three hospital in China, its reproductive medicine department has rich experience in the field of IVF. 3. Guangzhou South China Hospital: As one of the * large general hospitals in South China, its reproductive medicine center is committed to the research and practice of IVF technology. Summary: IVF technology realizes the process of in vitro culture and embryo implantation through the operation steps of ovulation promotion, egg collection, sperm treatment, fertilization and culture, embryo transfer, etc. However, there are many possible risks in this process, such as multiple pregnancy, ovarian puncture injury, embryo implantation failure, etc. Well known domestic hospitals such as Peking Union Medical College Hospital, Shanghai First People's Hospital and Guangzhou South China Hospital all have a high level of IVF technology. Through IVF technology, many couples who cannot conceive naturally can realize their dreams of childbearing.
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