What happens when you bleed bright red and have no abdominal pain at 9 weeks pregnant. Bright red vaginal bleeding at 9 weeks of pregnancy is often seen as a symptom of miscarriage. Early in pregnancy, because the placenta has not formed, miscarriage usually does not always have significant abdominal pain, but some people have bleeding caused by lesions such as cervical polyps. The first thing is to look at the condition of the uterine cavity in conjunction with ultrasound to see if the gestational sac is developing normally. If the progesterone is low, see if it is a miscarriage. Combine the examination with targeted treatment, pay attention to hygiene, rest, and prohibit sexual intercourse and spicy and stimulating food to avoid aggravating congestion.