Sudden diarrhea while farting in pregnancy may be due to diarrhea due to gastrointestinal disorders in pregnant women due to unclean diet and eating cold and raw food. Diarrhea in pregnant women may be infectious or functional. 1. Infectious diarrhea: pregnant women infected with pathogenic bacteria, resulting in gastroenteritis, severe abdominal pain accompanied by a large number of watery stools, at this time the need for routine fecal examination, timely detection of infectious factors. At the same time, if the diagnosis of infectious diarrhea, need to give antibiotics to treat inflammation, such as penicillin, cephalosporin and so on. 2. Functional diarrhea: pregnant women after pregnancy due to uterine congestion, uterine enlargement, will press and stimulate the rectum. There are some people who are more sensitive and may have mild diarrhea manifestations. If the symptoms are mild, you can regulate your diet and eat light and easy to digest food, if the symptoms are more serious, you can take drugs such as montelukast to stop diarrhea. Pregnant women with symptoms of diarrhea, you need to consult a doctor in a timely manner, follow the doctor’s instructions for treatment, the use of specific drugs need to be under the guidance of a doctor.