Women have brown leukorrhea, and have symptoms such as abdominal distension and pain, may be caused by the following reasons: 1, if this symptom occurs in the middle of menstruation, it may be the symptoms caused by ovulation, do not need special treatment, about 2-3 days or so can be the natural end of the 2, if this symptom occurs a few days before the menstruation, due to the body’s estrogen secretion is reduced, resulting in the endometrium of the uterus part of the shedding symptoms, is a normal physiological phenomenon, it is recommended to pay attention to keep warm and avoid cold. The symptoms are normal physiological phenomenon, it is recommended to pay attention to keep warm, avoid cold. 3, if this symptom occurs during pregnancy, it may be a pre-eclampsia, pregnant women need to timely bed rest, as soon as possible with the family sent to the hospital, with the doctor to protect the fetus treatment. 4, some women with this symptom, it may be suffering from endometritis, cervicitis, and other diseases, you need to cooperate with gynecologists to do gynecological examination and leukorrhea routine examination to confirm the diagnosis.