Too much bleeding in early pregnancy is usually an inevitable miscarriage caused by the presence of coagulation system disorders in the pregnant woman or poor quality of the embryo, which cannot be preserved. 1. Coagulation system diseases: some women have congenital coagulation disorders or acquired low platelets and other diseases. In the early stage of pregnancy if there are symptoms of bleeding, the pregnant woman is unable to stop the bleeding through the autonomous coagulation mechanism, and this physical condition is unable to continue the pregnancy. 2. Poor embryo quality: Some pregnant women who have symptoms of heavy bleeding in early pregnancy may also have embryos with developmental malformations or chromosomal abnormalities. This kind of embryo is not a healthy embryo, the body will eliminate itself, spontaneous abortion occurs, bleeding more can not keep. If there is too much bleeding in early pregnancy, you should listen to your doctor to determine whether it is necessary to keep the baby.