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About how test tube babies are made



What is IVF

IVF is an assisted reproductive technology, also known as in vitro fertilization embryo transfer (IVF-ET). It refers to fertilizing female eggs and male sperm samples in the laboratory, forming embryos and then transplanting them into the female uterus for development. IVF technology can help couples who are unable to conceive naturally due to physiological or reproductive problems to achieve their reproductive aspirations.

The IVF process is divided into five main steps, including ovarian stimulation, egg collection, sperm treatment and fertilization, embryo culture and selection, and embryo transfer.

About how test tube babies are made

1. Ovarian stimulation

Before the IVF process begins, women need to receive ovarian stimulation. This step usually involves the use of synthetic hormone drugs to stimulate the ovaries to increase egg production. Doctors will monitor the growth and development of eggs through ultrasonic examination and blood test.

The ovarian stimulation cycle usually takes 10-12 days, and the specific schedule will vary according to individual circumstances.

2. Egg collection

Egg collection is a key step in IVF. In this step, doctors will use ultrasound guided fine needle puncture technology to extract mature eggs from the ovary. This process is usually carried out under local anesthesia, so most patients will not feel obvious pain.

The collected eggs will be further processed in the laboratory for sperm fertilization.

3. Sperm treatment and fertilization

After egg collection, doctors will collect sperm samples from male patients. Then the sperm will be treated to remove other useless substances in the semen and obtain the best sperm sample. The sperm sample is then placed with the egg in the laboratory for fertilization.

There are two fertilization methods to choose, one is to directly inject sperm into the egg (conventional fertilization), the other is to use a syringe to inject a single sperm into the egg (single sperm injection). The doctor will decide which method to use according to the specific situation.

4. Embryo culture and selection

After fertilization, the eggs will continue to grow in the laboratory. Doctors will closely monitor the quality, quantity and development of embryos. Usually, embryos will be cultured in petri dishes for 2-5 days. During this period, doctors will choose the most promising embryos for transplantation.

Embryo selection is usually based on the appearance, development speed and other relevant factors of the embryo.

Summary

IVF is a kind of assisted reproductive technology, which can achieve fertility by fertilizing eggs and sperm in the laboratory and then transplanting them into the uterus of women. The whole process includes ovarian stimulation, egg collection, sperm treatment and fertilization, embryo culture and selection, embryo transfer and other steps. Each step needs to be closely monitored and operated. IVF technology has been successfully implemented in many real hospitals, bringing hope for couples who cannot conceive naturally.
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