There are several common reasons for loose stools in early pregnancy: 1, early pregnancy due to the increase in the level of progesterone in the body, so that the gastrointestinal peristalsis slows down, gastric acid secretion is too little, resulting in gastrointestinal dysfunction, indigestion, and loose stools. In addition, when pregnant, the enlarged uterus compresses the rectum, which can also cause gastrointestinal peristalsis slowing down, digestive function is reduced, the symptoms of loose stools. 2, due to improper diet or abdominal cold, can also appear loose stools, then we should pay attention to the diet regulation, to nutritious, easy to digest diet, to a small number of meals, and pay attention to abdominal warmth. 3, caused by bacterial infection of acute gastroenteritis, can also appear the symptoms of loose stools. The symptoms of loose stools can also occur, along with nausea, vomiting, abdominal pain, fever and other symptoms. It is recommended to go to the hospital for examination, routine blood and stool tests, and after the diagnosis is clear, antibiotic treatment should be given under the guidance of the doctor.