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What are the key steps in IVF cycle?

What are the key steps in IVF cycle?



Key steps in IVF process

IVF is a method of in vitro fertilization and artificial pregnancy, which helps couples who cannot conceive naturally realize their desire for pregnancy and childbirth. The success rate of IVF depends on a complex series of key steps. This article will elaborate on these key steps from four aspects: egg retrieval, sperm treatment, fertilization and embryo transfer.

1. Take eggs

Egg retrieval is the first key step in IVF treatment. This process is usually carried out in the ovaries of women. Before starting egg retrieval, doctors will give hormone treatment to women to promote ovarian development and the growth of mature follicles. The process of egg growth usually requires several cycles. Doctors will check the development of the ovaries through ultrasound, and take eggs when the ovaries are suitable. Local anesthesia is usually used for egg retrieval. Doctors use long and thin tubes to puncture the ovary and extract eggs. The whole process needs to be closely monitored to ensure safety and optimal egg quality.

2. Sperm treatment

At the same time as taking eggs, men need to provide sperm samples. These sperm will be treated by sperm to extract the best quality sperm. First, sperm samples are washed to remove inactive sperm and other impurities. Then, through centrifugation and other technologies, active and healthy sperm will be combined with nutrient rich culture medium to enhance the viability and fertilization ability of sperm.

3. Fertilization

After the eggs and sperm are taken, the next step is in vitro fertilization. In the laboratory, doctors combine the extracted eggs with sperm samples to promote fertilization. This can be done by one of two common methods: conventional fertilization and single sperm injection. Traditional fertilization is to add a large number of sperm samples to the culture dish, so that the sperm will naturally meet the egg for fertilization. Single sperm injection is to inject the selected sperm directly into the egg to ensure the occurrence of fertilization. After a period of culture, the doctor will check the result of fertilization to confirm whether it is successful and develops into an embryo.

4. Embryo transfer

The last key step is to transplant the fertilized eggs into the female uterus to promote pregnancy. Doctors will choose the healthiest and most promising embryos for transplantation. This process is usually guided by laparoscopy or vaginal ultrasound, so that the embryo can be correctly located on the endometrium. After successful transplantation, women need to take proper rest and care to improve the success rate of pregnancy. To sum up, the key steps in the IVF process include egg retrieval, sperm treatment, fertilization and embryo transfer. These steps need precise operation and appropriate timing to ensure the success of IVF. Hospitals and professional medical teams play a vital role in IVF treatment. They need rich experience and professional knowledge to help couples successfully achieve their reproductive aspirations.
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