If the pain in the middle of the abdomen is caused by physiological factors, observation is sufficient; if it is caused by preeclampsia, ectopic pregnancy, etc., it is necessary to timely fertility preservation treatment or termination of pregnancy, and the cause of the symptomatic treatment. 1. Physiological factors: with the growth of the pregnancy cycle, the uterus enlarged may appear in the middle of the abdomen tingling, but there is no bleeding tendency, ultrasound shows that the development is normal. Generally, no special treatment is needed, and regular observation is sufficient. 2. Pre-eclampsia: uterine contractions may occur during miscarriage, which may cause stabbing pain in the abdomen. In the case of fetal preservation, it is recommended to follow the doctor’s instructions to take oral preservation of pregnancy drugs, such as progesterone capsules, if there is no possibility of preservation of pregnancy, need to terminate the pregnancy as soon as possible. 3. Ectopic pregnancy: the embryo grows and develops outside the uterus, with the fallopian tube being the most common. It is easy to cause tubal rupture, thus causing abdominal pain. Conservative treatment or surgery can be chosen according to the condition. If the situation is serious, acute shock has occurred or there is a lot of bleeding, tubectomy should be done as soon as possible. And closely review the blood HCG as well as ultrasound. There may also be other reasons for the stabbing pain in the middle of the abdomen in 7 weeks of pregnancy, such as when the pregnant woman suffers from gastrointestinal diseases and gynecological inflammation, which may cause similar symptoms. For now, it is recommended to consult a doctor as soon as possible to analyze the cause before proceeding with treatment.