7 weeks pregnant with a vague pain in the abdomen may be a normal physiological phenomenon, may also be the aura of miscarriage, ectopic pregnancy or other diseases. 1. Physiological phenomenon: after pregnancy, due to hormonal changes in the body, caused by the relaxation of the round ligaments of the uterus, so the patient will appear abdominal pain, if the uterine round ligament laxity caused by the patient’s abdominal pain, is a normal physiological phenomenon. 2. Pre-eclampsia: Pre-eclampsia is caused by embryonic factors, maternal factors, environmental factors and other reasons, the patient will have vaginal bleeding, lower abdominal pain, low back pain and other symptoms, so the patient will have 7 weeks of pregnancy abdominal pain performance. 3. Ectopic pregnancy: ectopic pregnancy is mainly caused by tubal dysplasia, tubalitis and other factors, the main symptoms of the patient are menopause, abdominal pain, vaginal bleeding, so the patient will have the phenomenon of 7 weeks pregnant with a vague pain in the abdomen. 4. Other: patients with hyperemesis gravidarum, pelvic inflammatory disease, adnexitis and other diseases can also lead to patients with 7 weeks pregnant with a vague pain in the abdomen. When the patient has the symptom of hidden pain in the abdomen in the 7th week of pregnancy, it is recommended that the patient go to the hospital in time for examination, and follow the doctor’s instructions to deal with the treatment after clarifying the cause of the disease.