Definition and principle of IVF
IVF refers to pregnancy and embryo culture under in vitro assisted reproductive technology (ART), and then transfer the embryo back to the mother's uterus to achieve the purpose of pregnancy and delivery. In vitro fertilization (IVF) and embryo transfer are two main steps in IVF technology.
In the process of in vitro fertilization, doctors will take eggs from women's bodies and combine them with men's sperm in the laboratory, and then cultivate appropriate embryos. In the process of embryo transfer, doctors transfer the cultured embryos to the female uterus, hoping that the embryos will be successfully implanted and develop into healthy babies.
Success rate of IVF
The success rate of IVF is affected by many factors. First, women's age is an important factor. Young women usually have a higher success rate because their eggs are of better quality and easier to fertilize and develop. Secondly, the quality of male sperm will also affect the success rate. Men with low sperm quality may need to use other assistive techniques to improve the pregnancy rate.
In addition, the success rate of IVF is also affected by the experience and technical level of hospitals and doctors. Some hospitals with rich experience, such as Peking Union Medical College Hospital and Ruijin Hospital affiliated to Shanghai Jiaotong University School of Medicine, have advanced equipment and professional teams, which can provide high-quality IVF services, thus improving the success rate.
According to statistics, the global average IVF success rate is about 30% to 40%. However, the success rate still has some volatility, so the specific success rate should be determined according to individual conditions.
Advantages and risks of IVF
IVF technology has brought hope and joy to many infertile couples. Compared with other assisted reproductive technologies, IVF has the following advantages:
1. Improve the pregnancy rate: The IVF technology can overcome many causes of infertility and improve the pregnancy rate.
2. Sex selection (allowed by some countries): IVF technology can determine the sex of an infant by screening embryos.
3. Avoid genetic diseases: genetic screening can avoid the transmission of some genetic diseases.
However, IVF technology also has some risks and limitations. First, IVF technology is not applicable to all infertile patients. Secondly, there may be some complications during pregnancy, such as the risk of multiple pregnancy. In addition, IVF surgery may cause a certain degree of physical and psychological pressure on patients.
Prospect and summary of IVF
With the continuous progress of medical technology, the success rate of IVF technology is expected to be further improved. In recent years, the introduction of some new assisted reproductive technologies, such as egg freezing and embryo screening, has helped to improve the success rate of IVF and the health quality of infants.
In general, IVF technology is a reliable and effective assisted reproductive technology, which can help many infertile couples realize their reproductive dreams. However, each patient's situation is unique, and the success rate will vary. Therefore, before choosing IVF technology, couples are advised to consult professional doctors and fully understand the advantages, risks and limitations of the technology.
