Pregnant women who have a lot of farts and smell consider that it may be related to physiological factors such as improper diet, or pathological factors such as gastric ulcers and gastritis. 1. physiological factors: pregnant women’s digestive function itself will be weaker, if usually eat more than not digested, then it is easy to lead to indigestion, the gastrointestinal peristalsis will be weakened, pregnant women will be too much exhaust; at the same time, if you eat sweet potatoes, beans and other foods, then there will be more farts and odor phenomenon. 2 Pathological factors: common in gastric ulcer, gastritis patients, can lead to intestinal dysfunction in pregnant women, farting and stinking performance. Pregnant women should go to the hospital as soon as possible if there is no significant improvement in their symptoms after improving their diet to avoid aggravation of their condition.