Definition of IVF
Test tube baby is a kind of fertility mode in which the fertilized eggs are cultured in vitro to meet the transplant conditions through assisted reproductive technology, and then implanted into the mother's uterus to develop into babies. The birth of IVF technology has brought hope to those couples who are unable to conceive naturally due to physiological reasons and made it possible for them to realize their dream of starting a family.

Four aspects of IVF
1. Technical principle of IVF
In vitro fertilization (IVF) and embryo implantation (ET) are two key steps in IVF technology. First, the woman stimulates the ovary to produce multiple mature follicles by injecting hormone, and then fertilizes the eggs collected in the ovary with the sperm provided by the man in vitro with a slender tube to form a fertilized egg. Then, continue to culture the fertilized eggs in the culture medium until the development reaches the stage of sufficient transplantation. Finally, the doctor implanted the transplanted embryo into the woman's uterus for further development.
2. Indications of IVF
The indications of IVF include infertility caused by female ovarian insufficiency, oviduct obstruction, uterus and other factors, as well as poor quality of male sperm and other factors. In fact, regardless of the problems of men and women, as long as there are obvious obstacles to natural pregnancy, we can consider the desire to achieve fertility through IVF technology.
3. Success rate of IVF
The success rate of IVF is affected by many factors, including age, egg and sperm quality, endometrial status, etc. On the whole, the success rate of different hospitals will be different. For example, the data of Peking Union Medical College Hospital shows that the success rate of IVF babies under 35 years old is about 40%, that of IVF babies between 35 and 40 years old is about 30%, and that of IVF babies over 40 years old is about 10%.
In order to increase the success rate of IVF, doctors usually carry out individualized treatment programs according to the specific conditions of patients, such as selecting appropriate drugs to promote ovulation, screening embryos with high sperm and egg quality, etc.
4. Impact of IVF on maternal and infant safety
Due to the demand of IVF technology, patients need to continue to receive multiple egg retrieval operations and embryo transfer operations. These operations will cause certain burdens and risks to the patient's body. For example, ovum retrieval may cause ovarian hyperstimulation syndrome, and embryo transfer may have risks of bleeding and infection.
In addition, the success rate of IVF is closely related to the age of the mother. The older the female is, the lower the success rate of IVF will be, and it may take a long time to try or multiple cycles to succeed. Therefore, it is recommended to try IVF at an early age to improve the success rate.
summary
Test tube baby is a kind of fertility mode that develops into a baby through assisted reproductive technology, in vitro culture and transfer of embryos to the mother's uterus. It provides the possibility for couples who cannot conceive naturally to realize their dream of starting a family. The core of IVF technology is in vitro fertilization and embryo implantation, which is applicable to all kinds of infertility. When choosing hospitals for IVF, the success rate is an important consideration, but at the same time, attention should be paid to the safety of mothers and infants. By understanding these information, couples can make better decisions and choose the right time and hospital for IVF.