A small amount of bleeding in early pregnancy, if there is no abdominal pain, is considered normal, because the fertilized egg is caused by the bed, due to overexertion, mental tension, etc. will cause a small amount of bleeding, rest for a few days can return to normal, do not worry, regular observation to see the bleeding situation. If the bleeding is prolonged and accompanied by abdominal pain, it is not normal. Consider the symptoms of miscarriage aura, in the early stage of pregnancy the fetus is not stable, if there is intercourse, strenuous exercise, etc. will cause miscarriage aura, it is best to take blood test to check progesterone and blood HCG in time, under the guidance of the doctor reasonable treatment with progesterone. Ectopic pregnancy and gynecological infections can also cause bleeding during pregnancy. If bleeding occurs, you need to go to the hospital for examination first, and only after identification can you get reasonable treatment under the guidance of the doctor to avoid untimely treatment, which may easily cause miscarriage.