Increasing bleeding in early pregnancy may be caused by miscarriage, ectopic pregnancy or cervical lesions, as well as other factors. 1. Miscarriage. Bleeding more and more in the early stages of pregnancy is first considered to be a symptom of miscarriage, which may be caused by poor embryonic development or maternal disease, trauma and impact and other adverse factors. Usually accompanied by paroxysmal lower abdominal pain, need to do ultrasound and blood HCG examination to confirm the diagnosis, such as the determination of miscarriage, but also to check whether there is any residue. 2. Ectopic pregnancy. Vaginal bleeding caused by ectopic pregnancy usually does not exceed the amount of menstruation. If the tubal pregnancy ruptures, there may be a lot of intra-abdominal bleeding, accompanied by severe abdominal pain, or even shock. Combined with blood HCG and ultrasound examination to confirm the diagnosis and give conservative treatment or surgical treatment. 3. Cervical lesions. Bleeding in early pregnancy may also be caused by cervicitis, cervical polyps and other diseases, coupled with hormonal changes after pregnancy to stimulate the surface of the cervix capillary rupture and bleeding. Gynecological examination to clarify the diagnosis. 4. Other factors. Bleeding in early pregnancy should also be checked to see if it is caused by hyperemesis gravidarum or abnormal coagulation function of pregnant women. It is necessary to improve the examination and treat the cause after clarifying it.