The appearance of blood-brown discharge in pregnancy is an abnormal phenomenon and should be observed and treated in the following cases: 1. If blood-brown discharge appears during pregnancy, if the amount of blood is small accompanied by slight abdominal pain, it may be a symptom of pre-eclampsia miscarriage and it is recommended to go to the hospital immediately for birth control treatment. 2. If blood-brown discharge appears in pregnancy, it may also be due to a small amount of menstruation with bleeding time of 1-2 days, and if there is If you have persistent bleeding, you should go to the hospital in time for examination and diagnosis. 3. If the bleeding is heavy during pregnancy accompanied by abdominal distension and pain, it may be caused by ectopic pregnancy and you should go to the hospital immediately for ultrasound examination to confirm whether it is ectopic pregnancy. Pregnant women with blood-brown discharge should maintain emotional stability and avoid excessive tension, go to the hospital immediately for blood tests and ultrasound examinations to check the development of the fetus, and pay attention to the prohibition of sexual intercourse.