Watery discharge during pregnancy is considered to have two causes, one physiological and one pathological. In this case, the causes should be clarified and treated symptomatically. I. Physiological factors: In early pregnancy, due to changes in hormone levels, causing edema in the uterine cavity glands, resulting in an increase in secretions, so that the amount of leucorrhea, slightly thin, no odor, is a normal phenomenon, generally do not need special treatment, pay attention to warmth and diet hygiene. Second, pathological factors: 1, gynecological inflammation: including vaginitis, cervicitis and other diseases, patients will appear watery discharge, often accompanied by vulvar itching, local pain, odor of secretions. When these symptoms appear, you should not buy your own drugs to deal with, you need to go to the hospital in a timely manner, because many commonly used topical drugs are prohibited during pregnancy, so as to avoid the blind use of drugs to affect the health and growth and development of the fetus; 2, premature rupture of the fetal membranes: manifested as a sudden outflow of more fluid from the vagina of pregnant women, the amount increases when the abdominal pressure increases, feeling wetter than usual vulva, the situation should immediately go to the hospital for treatment, the fetus If the fetus is well developed, penicillin and erythromycin can be applied to control the infection, and the fetus can be delivered by cesarean section at the right time. Caution: Pay attention to vaginal cleanliness and hygiene, change underwear regularly, wash the vulva with warm water every day to keep it dry and avoid bacterial infection. Regular work and rest, ensure sufficient sleep and avoid overwork. Eat a reasonable diet, balanced nutrition, more fresh vegetables and fruits, and more high-protein foods to promote the healthy growth of the fetus.