Pregnancy may result in a brownish discharge at the time of embryo implantation, but there will be individual variations. In early pregnancy, some pregnant women may experience bleeding at the time of implantation of the fertilized egg, which is manifested as a brown vaginal discharge that usually lasts for 3-4 days, and may be accompanied by slight pain in the lower abdomen, which may return to normal on its own. This is a normal physiological phenomenon and does not require treatment. However, there will be individual differences, most pregnant women do not have symptoms of bleeding during pregnancy. However, during pregnancy, when there is a preeclampsia, cervical polyps and ectopic pregnancy and other pathological conditions, there will also be symptoms of vaginal bleeding brown discharge, you need to go to the hospital to find out the cause. During pregnancy, you should also pay attention to proper rest, avoid strenuous exercise and heavy physical labor, and follow the doctor’s instructions to carry out ultrasound to clarify normal pregnancy and exclude ectopic pregnancy and other pathological conditions. Pregnancy if there is a slight bleeding, through appropriate rest can not be relieved, showing a persistent aggravation of the trend, and accompanied by abdominal pain manifestation, should be early to consult the doctor, after a clear diagnosis of the causative factors, under the guidance of the doctor symptomatic treatment and conditioning.