试管婴儿的英语试管婴儿是什么？如何实施试管婴儿技术？

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What is Test-Tube Baby?

Test-tube baby, also known as in vitro fertilization (IVF), is a medical procedure that involves fertilizing an egg with sperm outside the body. This technique is used to help couples who are facing difficulties in conceiving naturally. Test-tube baby has brought hope to millions of couples struggling with infertility worldwide.

Test-tube baby technology involves several steps, including ovarian stimulation, egg retrieval, fertilization, and embryo transfer. Let's take a closer look at each of these steps.

Ovarian Stimulation

In this first step, the woman is given medication to stimulate the ovaries to produce multiple mature eggs. This is done to increase the chances of successful fertilization and implantation.

During ovarian stimulation, the woman's hormone levels are closely monitored through regular blood tests and ultrasound scans. This helps the medical team to determine the optimal timing for egg retrieval.

Egg Retrieval

Once the eggs have reached maturity, they are retrieved from the woman's ovaries. This procedure is performed under anesthesia to ensure the patient's comfort.

A small needle is used to gently puncture the ovarian follicles and retrieve the eggs. The collected eggs are then placed in a culture dish and transferred to the laboratory for further processing.

Fertilization and Embryo Transfer

The retrieved eggs are mixed with sperm in the laboratory, either by conventional insemination or by intracytoplasmic sperm injection (ICSI). In conventional insemination, a large number of sperm are placed in the dish containing the eggs. In ICSI, a single sperm is manually injected into each egg.

After fertilization occurs, the embryos are monitored for growth and development. Typically, embryos are cultured in the laboratory for 3 to 5 days before being transferred to the woman's uterus. The number of embryos transferred depends on various factors, including the woman's age and the quality of the embryos.

Realization of Test-Tube Baby Technique

Test-tube baby technology has been successfully implemented in reputable fertility clinics and hospitals worldwide. For example, the Center for Reproductive Medicine at the Third Affiliated Hospital of Sun Yat-sen University in Guangzhou, China, is one of the leading centers that offers advanced IVF treatments.

With advances in medical technology, test-tube baby techniques have significantly improved over the years. The success rates of IVF have continued to increase, giving hope to couples who dream of having a child.

Conclusion

Test-tube baby, or in vitro fertilization, is a medical procedure that helps couples overcome infertility. It involves ovarian stimulation, egg retrieval, fertilization, and embryo transfer. This technology has helped millions of couples around the world fulfill their dreams of becoming parents. With advancements in the field of reproductive medicine, the success rates of test-tube baby techniques are continuously improving, offering hope to those who are struggling to conceive.