There are many causes of right lower abdominal paroxysm in pregnant women, and the common causes include the following: 1, pregnant women only occasionally have right lower abdominal paroxysm with no other clinical symptoms, and occasionally have abdominal hardness, mostly due to symptoms caused by pseudo contractions. 2, if the patient has left upper abdominal pain, gradually shifting to right lower abdominal paroxysm, and the pain gradually increases, it is not excluded that it is If the patient has pain in the left upper abdomen, gradually shifting to the right lower abdominal paroxysm, and the pain gradually worsens, it cannot be ruled out that the pain is caused by appendicitis. 3. If the patient has diarrhea, nausea, vomiting and other manifestations, it cannot be ruled out that the clinical symptoms are caused by gastrointestinal diseases. 4.