Fat polycystic pregnant women pregnant has a certain impact on the fetus. Pregnant women who are fat may lead to gestational hypertension, gestational hyperglycemia, affecting fetal development, fetal growth restriction or macrosomia may occur; and because of the influence of genetic factors, the offspring of the occurrence of obesity, diabetes, hypertension and other risk chances are also increased. And women with polycystic ovaries who are pregnant also have some effects on the fetus, on the one hand, the secretion of progesterone may be insufficient, which may lead to poor embryonic development and early miscarriage; on the other hand, the occurrence of polycystic is related to genetic factors, so polycystic patients, if they give birth to a girl, the child’s risk of polycystic in the future may be higher than that of other people. Therefore, fat polycystic patients are advised to intervene in advance before pregnancy to regulate their body to the best state before pregnancy; if they are already pregnant, they are advised to control their body weight reasonably during pregnancy, and are advised to have regular obstetric checkups, and intervene in advance if there is any abnormality, so as to avoid miscarriage and other unexpected occurrences.