There is no need to worry too much about occasional bleeding during pregnancy, when the bleeding is not heavy and there is no stomach pain. During this period, it is important to take care of bed rest and not to exercise strenuously. Pay attention to the size of the bleeding, if the bleeding increases, in the early stage of pregnancy, you need to check the progesterone value, if the progesterone value is low, consider that there are signs of miscarriage, you should take fetus preservation drugs, such as progesterone for fetus preservation as soon as possible. If the bleeding is heavy in the middle of pregnancy, you should go to the hospital in time, you can use magnesium sulfate to inhibit uterine contraction and relieve smooth muscle spasm, it also has the effect of fetal preservation. If bleeding in the second trimester, you should promptly check the change of fetal heartbeat and fetal movement, and you should also check the maturity of the placenta. If you have reached the due date, it means that you are seeing red and you are about to give birth.