If you cry occasionally during pregnancy, it will not have a great impact on the fetus. If you cry a lot during pregnancy and are emotionally unstable, it will cause the fetal growth and development to be affected to some extent as well. If you are emotionally unstable in early pregnancy, crying a lot can easily lead to an increase in the rate of fetal malformation. Middle and late pregnancy can affect the fetal nervous system development or affect the fetal personality, leading to introversion or low intelligence and slow intellectual development after the baby is born. Maybe the baby can’t communicate or interact with people normally and develop an autistic mentality. During pregnancy, you should keep your mood relaxed and not have too much stress. Too much stress or often depression, depression, irritability, will directly affect the baby’s growth and development.