Definition and principle of IVF technology
IVF technology is an assisted reproductive technology, also known as in vitro fertilization embryo transfer (IVF-ET). It combines female eggs and male sperm in vitro in the laboratory, cultivates them into embryos, and then transfers them back to the mother's uterus to achieve the purpose of pregnancy and delivery. The principle of IVF technology is to use in vitro fertilization and embryo transfer technology to solve the problem that infertile couples cannot conceive naturally.

IVF technology is divided into several steps. First, women receive ovulation induction therapy to increase the number of ovarian ovulation, and then the eggs are extracted and cultured in vitro. At the same time, men provide sperm samples and conduct sperm quality assessment. Next, professional technicians in the laboratory combine eggs and sperm and cultivate embryos. Finally, select the best quality embryos to be transferred to the female uterus in the hope of a successful pregnancy.
Advantages and limitations of IVF technology
IVF technology has the following advantages. First of all, it gives infertile couples the opportunity to realize their fertility aspirations. Secondly, IVF technology can solve some fertility problems, such as female fallopian tube blockage, low quality of male sperm and so on. In addition, the technology can also provide some genetic disease screening and gene testing, reducing the spread of genetic diseases.
However, IVF technology also has some limitations. First of all, this technology is not a treatment option for all infertile couples, because it requires certain economic and psychological endurance. Secondly, the success rate of IVF technology is not 100%. Success depends on many factors, such as age, egg and sperm quality, uterine environment, etc. In addition, IVF technology still has some moral and ethical problems, which need reasonable management and supervision.
Application scope and development status of IVF technology
IVF technology has a wide range of applications. In addition to infertile couples, it can also be applied to single women, same-sex partners and some carriers of genetic diseases. For example, in some families, one spouse carries genes with hereditary diseases. In order to avoid passing them on to offspring, genetic screening and selection can be carried out through test tube baby technology to ensure the health of the baby.
At present, IVF technology has been widely used worldwide and is making continuous progress. With the development of science and technology, IVF technology has also been continuously improved and perfected, so that its success rate has gradually increased. At the same time, relevant laws and regulations and ethical and moral issues are also gradually standardized and solved.
Prospect and summary of IVF technology
IVF technology plays an important role in solving the problem of infertility and improving reproductive health. With the continuous progress of science and technology, in the future, IVF technology is expected to further improve the success rate, reduce complications, and solve more fertility problems, including genetic diseases.
To sum up, as an assisted reproductive technology, IVF technology provides a way for infertile couples and other special groups to realize their reproductive aspirations. However, there is still a need for continuous improvement and standardization in science and technology, laws and regulations, ethics and other aspects to better serve patients.