Cause pregnant women in the early stages of pregnancy, continuous brown secretion causes mainly include: 1, in the patient was subjected to some kind of intense stimulation, emotional tension, anxiety or after strenuous labor, caused by preeclampsia, due to the condition is relatively mild, the amount of vaginal bleeding is relatively small, the patient can be seen in several days of brown secretion performance; 2, early pregnancy pregnant women appeared in a serious cervicitis, Early pregnancy pregnant women with severe cervicitis, vaginitis and other conditions, can also cause the symptoms of blood in the secretion; 3, in pregnant women combined with submucous fibroids, cervical polyps and other conditions, can also cause the occurrence of this clinical manifestation. Regardless of the cause of the disease attack, patients need to go to the obstetrics and gynecology department of the public hospital in a timely manner for diagnosis and treatment, so as to avoid aggravation of the condition and the occurrence of risks.