Pregnant women bumping their stomachs will not produce birthmarks, which are caused by pigmentation or skin vascular abnormalities, and have no direct relationship with the collision. But pregnant women hit the stomach to pay attention to, if there is abdominal pain, vaginal bleeding phenomenon, must consult a doctor in time to avoid miscarriage, can be taken under the guidance of the doctor to protect the fetus medication. During pregnancy should avoid strenuous exercise, protect the abdomen, less go to the place of high traffic. Especially in early and late pregnancy when bumping into the stomach is more likely to have a miscarriage or preterm labor, which is very unfavorable to the fetus. After pregnancy should pay attention to the maternity examination, in the middle of pregnancy can be three-dimensional ultrasound examination to rule out fetal malformation and congenital diseases. At the same time to strengthen nutrition, more protein, vitamins, minerals, to protect the healthy development of the fetus. Drinking more milk can prevent calcium deficiency during pregnancy.