Pregnant women who have gastroenteritis, when the condition is mild, some can be self-healing, usually take 3-7 days, serious need to go to the hospital for treatment, can be divided into two cases to illustrate: 1, pregnant women if it is due to improper diet, resulting in gastrointestinal dysfunction, causing mild gastroenteritis, usually 3-7 days can be self-healing, no need to use medication, just pay attention to the diet can be, we recommend that you do not eat cold and stimulating food, eat more Fresh vegetables and fruits; 2, if it is due to bacterial or viral infection, resulting in gastroenteritis, severe diarrhea and fever and other symptoms, usually can not be self-healing, this time according to the cause of the need to take medication for treatment. Specific medication should be under the guidance of a doctor, the use of certain antibiotics as well as infusion therapy to prevent dehydration. Mild to moderate acute gastroenteritis, patients with diarrhea, dehydration symptoms are mild, and not accompanied by fever, can be given to patients to eat antidiarrheal drugs such as montelukast, safer for pregnant women, while paying attention to replenish the sugar saline. In more serious cases, patients with dehydration, fever, and red and white blood cells in the stool, can be given antibiotic treatment, combined with rehydration therapy, which is also safer. If you suffer from gastroenteritis during pregnancy need to pay attention to, severe diarrhea caused by dehydration can have an impact on fetal development, diarrhea at the same time will stimulate the contractions, serious cases can lead to premature birth or miscarriage, pregnant women must pay special attention to diet, do a good job of gastroenteritis prevention.