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How to carry out the steps of IVF?

How to carry out the steps of IVF?



Steps of IVF

IVF is an assisted reproductive technology that helps couples who are unable to conceive due to physiological or reproductive problems achieve their reproductive aspirations. Here are some key steps of IVF in detail.

Step 1: ovulation regulation

The first step of IVF treatment is to regulate women's ovulation cycle through drugs. Commonly used drugs include ovulatory stimulating hormone and luteinizing hormone. These drugs can make women produce multiple eggs, increasing the chances of fertilization. In the process of ovulation regulation, doctors will regularly monitor the growth of follicles to determine the best time to take eggs. At the right time, doctors will use ultrasound guided ovarian puncture technology to remove mature eggs from women. This process usually requires surgery, but generally does not require general anesthesia. The removed eggs will be immediately transferred to the laboratory for subsequent processing.

Step 2: sperm treatment and fertilization

After taking the eggs, the doctor will prepare sperm. Usually, men need to provide a semen sample. If the quantity or quality of sperm in semen is not ideal, sperm can be obtained through sperm donor or sperm extraction. In the laboratory, eggs and sperm will be precisely combined to achieve fertilization. There are two common methods: conventional fertilization and embryo fusion. Conventional fertilization is to place multiple sperm around the egg and let them enter the egg naturally. Embryo fusion is to inject a single sperm into the egg to directly realize fertilization. The fertilized egg will continue to grow into an embryo.

Step 3: Embryo culture

After successful fertilization, the embryo will be cultured in the laboratory for several days. During this process, the doctor will control the temperature, humidity and nutrient supply of the culture environment to ensure the normal development of the embryo. The culture period is usually 3-5 days, and the best time for transplantation is determined according to the embryonic development. In the process of embryo culture, doctors may also conduct embryonic genetic screening to determine whether there are chromosomal abnormalities or genetic diseases. This can help doctors choose the healthiest embryo for transplantation and improve the success rate of pregnancy.

Step 4: Embryo transfer and pregnancy

After the end of the embryo culture period, doctors will choose the healthiest embryos for transplantation. Embryo transfer is a simple process that usually does not require anesthesia. Doctors will use a thin tube to place the embryo in a woman's uterus to help her continue to grow and implant in the uterus. The whole migration process only takes a few minutes. The successfully transplanted embryo will be implanted and developed in the uterus. After several weeks of observation, if the pregnancy is successful, the woman will be pregnant with a test tube baby. Doctors will continue to monitor pregnant women to ensure the good development of embryos and the normal progress of pregnancy. The steps of IVF include ovulation regulation, sperm processing and fertilization, embryo culture, embryo transfer and pregnancy. Each step needs the precise operation of doctors and the support of laboratories, so as to improve the success rate of IVF. IVF technology has been widely used in major hospitals, helping many couples realize their dreams.
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