Early pregnancy stomach ache lower body brown discharge is considered to be the emergence of a priori miscarriage, ectopic pregnancy, may also be caused by gynecological diseases. 1. a priori abortion, if the development of the fetus is unstable after pregnancy, a priori abortion, so there may be early pregnancy belly ache lower body brown discharge 2. Ectopic pregnancy, patients with ectopic pregnancy, blood HCG test suggests pregnancy, at the same time there may be a small stomach pain, vaginal brown discharge. 3. Gynecological diseases, early pregnancy patients, clinical cervicitis, pelvic inflammatory disease and other gynecological diseases may appear after the symptoms of small stomach pain and brown discharge. Usually need to pay more attention to rest, after pregnancy need regular medical checkups, if there is discomfort, it is best to consult a doctor in a timely manner.