Early pregnancy with a small amount of bleeding is serious depends on the cause of bleeding and subsequent progress, if it is bedtime bleeding is not serious, but if it is a preeclampsia miscarriage can not be relieved by treatment of disease progression or ectopic pregnancy caused by bleeding is relatively serious and requires treatment. 1. Bleeding from implantation. Fertilized egg through the fallopian tube to the uterus may stimulate the endometrium part of the shedding, resulting in a small amount of vaginal bleeding phenomenon, usually lasts 2-3 days will be clean, do not need special treatment, is not serious, pay attention to rest and observation can be. 2. Pre-eclampsia. Early pregnancy due to maternal disease or chromosomal abnormality, external factors and other influences caused by miscarriage, there will be vaginal bleeding phenomenon, with or without abdominal pain and lumbar pain and other discomforts, if by the corresponding birth control treatment can not be relieved, the bleeding or abdominal pain symptoms worsening, it will be relatively more serious, if the embryo stops developing need to terminate the pregnancy. 3. Ectopic pregnancy. Fertilized egg does not settle in the uterine cavity, but in the fallopian tube position, with the development of the embryo fallopian tube rupture will also appear vaginal bleeding symptoms, accompanied by abdominal pain and lumbago, serious life and health of the pregnant woman will be endangered, it is more serious. The diagnosis can be confirmed with blood HCG and ultrasound, and conservative treatment or surgery can be given according to the situation. In addition, bleeding in early pregnancy should also be checked to see if it is caused by cervicitis, cervical polyps or acute vaginitis, etc. The cause and location of the bleeding should be determined and then treated.