Pregnancy often fart, this is a normal phenomenon. There are the following reasons: 1, the secretion of substances called luteinizing hormone during pregnancy, luteinizing hormone can provide a good environment for the growth and development of the fetus in the early stage, stabilize the environment of the pregnant mother’s uterus, so as to achieve the effect of a stable fetus, if the body of the pregnant mother secretes a lot of progesterone, it may affect the intestinal peristalsis of the pregnant mother. 2, in the middle and late stages of pregnancy, the uterus expands, pressing to the intestines, making the intestines not easy to peristalsis, the intestinal The fart will be stinky because the gas is retained in the intestines for a long time. 3, the performance of the spleen and stomach function compensation, pregnant women metabolism is heavier than normal people, the burden of the spleen and stomach increased. 4, pregnant women flatulence is not a big problem for the fetus, only some small impact, mainly because the mother’s appetite will become poor when the stomach is not comfortable, can not take enough nutrition, pregnant women should eat more vegetables, drink more boiled water, keep the stool smooth, is conducive to relieve farting.