The main causes of stomach pain and wanting to defecate in early pregnancy are: 1. Pre-eclampsia, mainly caused by mental tension, fatigue, infection, malnutrition, high blood pressure and anemia, mainly manifested as mild lower abdominal pain or pain in the lower back, accompanied by vaginal bleeding. 2. Ectopic pregnancy, mainly due to the fertilized egg in the fallopian tube, with the enlargement of the fertilized egg appears abdominal pain symptoms, mainly manifested as abdominal pain, accompanied by heavy vaginal bleeding. 3. The main symptoms are abdominal pain, accompanied by heavy vaginal bleeding, and when the bleeding is heavy, there may be a feeling of falling and wanting to defecate. 3. intestinal infection, caused by dietary factors, leads to intestinal spasm and peristalsis due to the stimulation of the intestinal mucosa by pathogenic bacteria, resulting in stomach pain and the feeling of wanting to defecate. 4. stomach cold, resulting in intestinal spasm, resulting in abdominal pain and the feeling of wanting to defecate.