The couple’s blood type is the same and has no effect on the next generation. The blood type is affected by genetic factors and is not a genetic disease, which will not have any effect on the fetus, and will not cause hemolysis, deformities, intellectual disabilities, physical disabilities and other conditions. If the couple’s blood type is found to be the same during the marriage test or pre-pregnancy test, there is no need to worry too much. The same blood type can be normal pregnancy and birth, will not have adverse effects on the fetus, if the couple’s blood type is different, on the contrary, there is a risk of hemolysis, although the blood type does not affect the next generation, but there are a lot of risk factors during pregnancy, during pregnancy to do a good job of all kinds of defense. At the same time, it is also necessary to do a good job during pregnancy and all kinds of screening must be carried out in order to detect the growth and development of the fetus in the womb, in order to protect the health of the fetus.