Normally, pregnancy does not cause abdominal pain like menstrual cramps. Only in the early stages of pregnancy occasionally abdominal distension, is a normal physiological phenomenon, mainly because of the gradual growth of the uterus after pregnancy, the pelvic local blood circulation accelerated, resulting in lower abdominal discomfort like menstrual cramps. If this symptom persists and is accompanied by vaginal bleeding, this is a preeclampsia and should be treated with fetal preservation, absolute bed rest, avoid heavy labor and strenuous exercise. Eat more fresh vegetables and fruits, eat a diet rich in protein, do not eat spicy food, do not eat cold food, and keep the bowel movement smooth. It is recommended to go to the hospital for examination, take medication under the guidance of the doctor, and have a regular review.