In the early stages of pregnancy, stomach pain and the feeling of wanting to have a bowel movement, the possible reasons mainly include: 1, various causes of uterine contractions caused by abdominal pain, stimulation of the rectal area caused by the feeling of wanting to relieve the bowel movement. This symptom, if the degree is more serious and lasts for a long time, there is the possibility of preeclampsia, you should go to the hospital in a timely manner, after a clear diagnosis of fertility preservation treatment. 2, the early stages of pregnancy due to dietary inappropriateness, eating too much cold food or spicy stimulating food, resulting in increased intestinal peristalsis caused by the symptom, usually accompanied by diarrhea symptoms. You can take appropriate medication under the guidance of the physician for treatment, pay attention to diet control, avoid spicy stimulating food, cold food intake.