The appearance of dark brown blood in pregnancy is mostly related to pre-eclampsia or ectopic pregnancy, gynecological inflammation, and should be given symptomatic treatments such as fertility preservation, termination of pregnancy and anti-inflammatory treatment after the cause is clarified in a timely manner. 1. Fertility preservation: dark brown blood after diagnosis of pregnancy may be caused by a prior miscarriage, mostly related to the poor development of the embryo itself, low progesterone or maternal disease. Combined with ultrasound and progesterone and HCG tests, progesterone should be given to preserve the pregnancy after confirming that the embryo is well developed. 2. Termination of pregnancy: pregnancy flow dark brown blood also need to check whether the embryo stops development caused by bleeding, or ectopic pregnancy caused by dark brown discharge. Fetal termination is recommended to clear the uterus in time, and ectopic pregnancy usually requires conservative or surgical treatment. 3. Anti-inflammatory: black-brown discharge in pregnancy may also be cervicitis, cervical polyps and other diseases caused by abnormal bleeding phenomenon, to improve the gynecological examination to confirm the diagnosis of amoxicillin and povidone pessaries and other medications. However, during the bleeding period can not be vaginal drugs, need to wait for the disappearance of dark brown discharge and then topical drug treatment. If you are pregnant and have a dark brown discharge, you need to identify the cause and treat the symptoms.