Early pregnancy stomach pain is considered a normal phenomenon, miscarriage, ectopic pregnancy, can not be dealt with, birth control treatment, surgical termination of pregnancy. 1. Normal phenomenon: After pregnancy, the uterus will gradually increase in size, and in the process of increasing, it will pull on the ligaments and nerves and cause vague pain, which is a normal phenomenon and does not require special treatment. 2. Pre-eclampsia: Pre-eclampsia will also have mild abdominal pain, usually accompanied by a small amount of vaginal bleeding, should be actively preserved for treatment, if the vaginal bleeding increases or abdominal pain worsens, it may develop into an inevitable miscarriage. 3. Ectopic pregnancy: Ectopic pregnancy refers to the combination of sperm and egg into a fertilized egg after not in the uterine cavity, but in the uterine cavity outside the part of the bed, the more common is the fallopian tube pregnancy, due to the gradual increase in the embryo in the fallopian tube will be manifested in the lower abdomen pain or soreness and swelling, usually accompanied by the symptom of vaginal bleeding, this case requires timely surgical termination of pregnancy. Early pregnancy stomach pain may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.