Difference between three generations of IVF and IVF
The development of IVF technology has brought hope to many infertile patients, enabling them to realize their dream of becoming parents. With the continuous progress of science and technology, IVF technology is also constantly innovating and improving. One of the important developments is the application of three generations of IVF technology. Compared with the traditional IVF technology, the three generations of IVF have significant differences. This article will elaborate on three generations of IVF and traditional IVF from four aspects.
1. Insemination mode and embryo selection
In traditional IVF technology, in vitro fertilization (IVF) or embryo transfer (ET) is the most commonly used method of fertilization. In the process of in vitro fertilization, the sperm and egg are combined in the laboratory, and then the fertilized egg is transplanted into the mother's uterus. In the third generation IVF technology, in addition to IVF, the steps of embryo gene editing have also been added. Through gene editing technology, we can detect and modify the genetic genes in embryos to reduce or eliminate the risk of family genetic diseases. The introduction of this step enables three generations of IVF to better select healthy embryos.
The embryo gene editing step in the third generation IVF technology is usually carried out after the fertilized egg has developed to a certain stage. Through gene editing technology, we can delete or repair the fertilized eggs carrying disease genes. Then, the fertilized eggs edited by the gene are transferred to the mother's uterus for pregnancy.
2. The possibility of selecting gender
In traditional IVF technology, gender selection is usually avoided in order to exclude the influence of gender. However, in the three generation IVF technology, due to the introduction of gene editing, people have more possibilities to choose gender.
Among the three generations of IVF technology, gender can be selected through gene editing technology, that is, embryos with the desired gender can be screened for transfer. This provides more choices for families who wish to choose gender.
3. Success rate of IVF
Compared with the traditional IVF technology, the third-generation IVF technology has certain advantages in improving the pregnancy success rate. In traditional IVF technology, the pregnancy success rate is usually between 30% and 40%. In some medical institutions, the third-generation IVF technology has achieved higher success rates in pregnancy, sometimes more than 50%.
The improvement of the success rate of the third generation IVF technology is mainly due to the introduction of gene editing technology, which only selects healthy embryos for transplantation, thus reducing the risk of pregnant babies with congenital diseases.
4. Moral and ethical issues
Three generation IVF technology involves certain moral and ethical issues in the process of gene editing. The application of gene editing technology has triggered people's discussion and thinking on human gene transformation and human design.
The application of gene editing enables us to select specific genetic traits, but at the same time, it also leads to a dispute about whether human design and human genetic modification conform to moral standards. We must carefully balance the interests and morality, and balance the relationship between technological development and ethical standards.
Summary
There are obvious differences between the three generations of IVF and traditional IVF in terms of insemination mode and embryo selection, possibility of sex selection, success rate of IVF and moral and ethical issues. Through the introduction of gene editing, the third-generation IVF technology provides a better strategy for embryo selection, increases the possibility of gender selection, and also achieves a higher pregnancy success rate. However, the application of gene editing has also triggered discussions on moral and ethical issues. In the future development, scientists and ethicists will continue to examine and discuss the impact of three generations of IVF technology on society and human beings.
