Such women often have men (such as brothers and uncles) in the family who are sick, while women (such as sisters and aunts) are healthy.
Hemophilia is a disease that only affects boys. With this disease, the blood does not clot easily due to the lack of a coagulation substance. Therefore, minor injuries will cause bleeding, and even without injuries, there will be subcutaneous and intra-articular bleeding. Once cerebral hemorrhage occurs, there is a fatal risk.
Color blindness is also a genetic condition that is only passed from mother to boys. Others include pseudohypertrophic muscular dystrophy, renal diabetes, etc., which only boys can get.
Therefore, in order to have a healthy child, it is not advisable to give birth to a boy when it is found that there are male patients with these diseases in the woman\’s family. During pregnancy, go to the hospital for prenatal diagnosis, the male fetus will be aborted, and the female fetus will be retained.
