What is the process of IVF?

1. Ovulation induction, no matter whether it is a natural pregnancy or a test tube, sperm and eggs are inseparable. The first step in making a test tube is to promote ovulation. A test tube usually requires multiple embryos to ensure the success rate, so you need to get more from the expectant mother. It has a superior egg, so it needs to promote ovulation. Generally, it takes more than ten days to promote ovulation.

2. After egg retrieval, the doctor will take out the mature egg through the egg retrieval needle under the guidance of B-ultrasound.

3. Take the sperm. The man needs to take the sperm on the day of the egg collection. If the man is too late, he can take the sperm first, freeze the sperm, etc., and then thawed the eggs for use.

4. In vitro fertilization, there are two ways: 1. Put the processed sperm and egg in a petri dish, and wait for the sperm and egg to combine to form a fertilized egg; 2. Single sperm injection, the embryonician chooses healthy and vigorous sperm to inject into Fertilization in the follicle.

5. Embryo transfer. Embryos are cultivated in a vessel for 3 or 5 days. After being cultivated into embryos, they are transferred to mothers. Usually 1-2 embryos are transferred at a time. With the continuous development of test tube technology, singleton implantation is more common at present. The remaining embryos are frozen.

6. Luteal support, usually after embryo transfer, women have insufficient corpus luteum function, and need to use progesterone or chorionic gonadotropin for luteal supplementation. If progesterone needs to be continued after pregnancy, usually until 3 weeks after the B-ultrasound sees the fetal heart. If there is no pregnancy, stop progesterone and wait for the next menstrual cramp.

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