Three-generation IVF generally requires sac raising. Three-generation IVF is a clinically more common way to help pregnancy, also known as pre-embryo transfer diagnostic technology, three-generation IVF, the first need to raise the sacs, to be raised into early blastocysts and then come to all aspects of the test, to determine the presence of chromosomal abnormalities, genetic mutations or certain genetic diseases, if there is such a disease appears to need to be eliminated in a timely manner, to improve the quality of the embryo. The first generation of IVF is generally to treat female infertility, while the second generation of IVF is to treat male infertility, and the third generation of IVF can mainly improve the quality of embryos. If you want to do IVF, you must choose the right hospital for the procedure.