The bleeding at 9 weeks of pregnancy is bright red without abdominal pain is an abnormal condition, which should be alerted to the risk of pre-eclampsia, abortion, ectopic pregnancy, etc. It is necessary to go to the hospital immediately for medical consultation to clarify the cause and treatment. Common conditions and treatment: 1. Pre-eclampsia miscarriage: manifested as a small amount of vaginal bleeding, because in most cases the placenta has not yet formed at 9 weeks of pregnancy, abdominal pain during miscarriage will not be particularly obvious, in this case, it is best to promptly draw blood to check the HCG, and also need to carry out ultrasound examination. If the embryo is developing normally, it is necessary to take progesterone or didroxyprogesterone to perform fetal preservation treatment under the guidance of the doctor; 2. Fetus stops developing: after the fetal abortion is stripped from the uterine wall, vaginal bleeding will occur, but most patients have no obvious feeling and will not have abdominal pain. After going to the hospital for examination, if the ultrasound examination shows that there is no fetal bud or germ in the gestational sac, the fetus has an irregular shape, and there is no fetal heartbeat, once the diagnosis is confirmed, the uterus must be cleared; 3, ectopic pregnancy: ectopic pregnancy can also cause bleeding, and the abdominal pain does not necessarily appear in the early stage, but as the gestational sac increases, it will cause abdominal pain and bleeding. The diagnosis of ectopic pregnancy should be promptly treated with methotrexate conservative treatment or surgery; precautions: attention should be paid to a reasonable diet, balanced nutrition, and more fresh vegetables and fruits. Pay attention to vaginal cleanliness and hygiene, change underwear regularly to avoid bacterial infection. Regular maternity checkups, keep track of the development of the fetus and the physical condition of the pregnant woman. If vaginal bleeding occurs, you should immediately go to a regular hospital for examination and take appropriate treatment measures after confirming the cause.