A little bit of bleeding in six weeks of pregnancy is more serious, it is very likely to be caused by the first sign of miscarriage or ectopic pregnancy and so on. 1. preeclampsia: mainly due to embryonic factors, environmental factors or maternal factors, pregnant women’s symptoms can be manifested as vaginal bleeding, lower abdominal pain, severe cases will directly cause miscarriage, so it is a more serious phenomenon, clinically prescribed use of progesterone vaginal slow-release gel and other medications for treatment. 2. Ectopic pregnancy: mainly due to tubal dysplasia or tubal inflammation caused by infection, pregnant women can not only show the symptoms of vaginal bleeding, may also be accompanied by abdominal pain and other symptoms, more serious, it is recommended that pregnant women need to go to the hospital as soon as possible, clinically prescribed oral methotrexate and other medications or tubectomy and other ways to treat. Pregnant women should do a good job of regular pregnancy checkups during pregnancy, it is recommended that six weeks pregnant bleeding timely medical examination, clear reasons, under the guidance of the doctor’s treatment, do not blindly use their own medication, in order to avoid adverse effects.