Summary: What should pregnant women do if they have severe constipation? Constipation is a problem faced by many pregnant women. It usually occurs after 4-5 months of pregnancy. Pregnant women with constipation should not take medication blindly to avoid miscarriage and premature delivery. Severe constipation in pregnant women is related to poor bowel movements and tight pelvic floor muscles. The general treatment is the same as that of ordinary people. What should pregnant women do if they have severe constipation? constipate