Constipation is one of the most common worries during pregnancy and is often overlooked during pregnancy. However, don’t underestimate these small and commonplace problems, as they can make you regret your life if you don’t pay attention to them. In late pregnancy, constipation will become more and more serious, often a few days without stool, or even 1-2 weeks have failed to defecate, which leads to abdominal pain, abdominal distension. In severe cases, it can lead to intestinal obstruction, complicating preterm labor and jeopardizing the safety of mother and baby. Many women’s constipation began in pregnancy, the main reason is: 1, pregnancy body progesterone and other hormones that have an inhibitory effect on intestinal function (such as prostaglandin) are significantly higher, these hormones make the maternal gastrointestinal tract smooth muscle relaxation, intestinal peristalsis weakened, slow colon movement, and can make the pelvic floor muscle relaxation, defecation force decline. 2, pregnant women’s basal metabolic rate increased, intestinal water absorption increased, so that the feces dry and through the slow. 3, late pregnancy, the enlarged uterus oppression of the rectum, so that feces through the restricted, distended uterus can also make the abdominal wall muscle thinning, diaphragm uplift, restricted activities, muscle contraction decreased, thus causing defecation difficulties. 4.Decrease in outdoor activities during pregnancy, decrease in appetite and decrease in water intake due to the increase in abdominal pressure, such as neglecting the intake of crude fiber food, which is more likely to cause fecal dryness. 5.Pelvic congestion during pregnancy is obvious, the uterus oppresses the upper rectal vein and many other reasons, resulting in the occurrence of internal hemorrhoidal prolapse, anal fissure pain, bleeding and other perianal diseases, pregnant women will be due to defecation pain, bleeding, anal sphincter spasms, inhibit defecation reflexes, fear of defecation, ultimately leading to constipation. For the above reasons, increase the amount of drinking water, appropriate outdoor activities, eat more food with high crude fiber content, increase fiber intake is the central part of the treatment of constipation, such as (oats, barley, beans, potatoes, apples, bananas, leeks, celery, spinach, etc.), the appropriate amount of sesame oil, honey, etc., is also a method of prevention and treatment of constipation in pregnant women. If necessary, the application of Keserol, sodium phosphate solution, so that the rectal pot belly dry and hard fecal matter discharged. Early in pregnancy, it is forbidden to take stimulating laxatives, so as not to cause miscarriage. In the late stages of pregnancy, do not casually clean enemas on your own, otherwise it is easy to cause preterm labor. It is worth noting that women should be prepared for pregnancy before, if there is perianal disease, should be timely to the hospital, treatment, to avoid the pain of anal fissure in pregnancy, bleeding hemorrhoids and other problems caused by defecation difficulties and pain, in the pregnancy if the pain of anal fissure, constipation, but also in time for medical attention.