Constipation is a common symptom among pregnant women, especially after 3 to 4 months of pregnancy, due to the effects of pregnancy, the time for food to pass through the gastrointestinal tract of pregnant women is prolonged and intestinal peristalsis slows down, thus causing difficulties in defecation. In early pregnancy, it is possible to use corkage normally, but if you use corkage again in the middle or late pregnancy, it will stimulate the rectum and may cause premature birth or miscarriage, because when the drug stimulates the rectum, it will involve the pelvic floor muscles and nerves, which will induce contractions and lead to miscarriage or premature birth, if constipation occurs in the middle or late pregnancy, the key is to regulate life and diet, eat more food rich in dietary fiber, such as sweet potatoes, spinach, bananas, etc. If you have constipation in the middle or late pregnancy, the key is to regulate your life and diet by eating more foods rich in dietary fiber, such as sweet potatoes, spinach, bananas, etc., and exercise and exercise after meals to increase the peristalsis of the gastrointestinal tract. Most constipation can be relieved or improved by dietary modification, if the symptoms are not relieved, you need to go to the hospital, under the guidance of a face-to-face doctor for treatment, do not blindly use drugs.