Whether or not it is normal to have a small amount of brown discharge in early pregnancy should be discussed in terms of circumstances, and the common causes are classified as fertilized egg implantation, preeclampsia, or ectopic pregnancy. 1. Fertilized egg implantation: After intercourse during ovulation, the egg and sperm combine to form a fertilized egg and then implant, which takes about 5-7 days. A small number of women in the early stages of pregnancy, there will be similar to the symptoms of menstruation, abdominal pain and discomfort and secretion of a small amount of brown secretion, such a situation is normal. 2. Pre-eclampsia: This is characterized by a small amount of vaginal bleeding accompanied by mild lower abdominal pain, lumbar pain, abdominal distension and a feeling of falling. In this case, you need to go to the hospital to measure the value of blood HCG progesterone and estrogen, to observe whether the level of progesterone is low, and timely supplementation of progesterone to protect the fetus. 3. Ectopic pregnancy: lower abdominal pain, feeling of defecation and vaginal bleeding, which may be accompanied by chest tightness, dizziness, nausea, and other symptoms, at this time you need to go to the hospital to clarify the cause of the disease, as soon as possible surgical treatment. Early pregnancy with a small amount of brown discharge is recommended to the hospital in time to check, follow the doctor’s instructions for symptomatic treatment.