During pregnancy, pregnant women quarrel lightly and briefly, will not cause significant damage to the development of the fetus, but if the quarrel is more serious and frequent, the pregnant women’s mood swings may cause the following adverse effects: 1, early pregnancy: because early pregnancy is an important period of fetal differentiation, development, quarrel can make pregnant women in an unstable emotional state, easy to make their adrenaline changes, thus affecting the fetus The development of the fetus, resulting in delayed intellectual and physical development. In addition, early pregnancy, that is, 12 weeks of gestation embryo bed time is relatively short and unstable, emotional depression for a long time, can inhibit the secretion of luteinizing hormone, so may cause pre-eclampsia; 2, late pregnancy: if the pregnant woman during pregnancy frequent angry quarrel, a long time can cause an increase in blood pressure, resulting in a reduction in the amount of blood supply to the umbilical cord and uterine vasoconstriction, in serious cases, can cause the fetal heart rate accelerated, which leads to intrauterine hypoxia. If the quarrel is too emotional, it may stimulate the uterus and cause vaginal bleeding or early contractions, which may lead to preterm labor. As a result, pregnant women should avoid negative emotions such as anxiety and depression during pregnancy, and when they are in a bad mood, they can take a walk, listen to music or chat with their families to relieve their boredom and thus improve their state of mind.