There are many precautions for women with posterior uterus if they are pregnant. First of all, after pregnancy to supplement folic acid, a reasonable diet, for early pregnancy reaction is more serious pregnant women, to eat small meals, strengthen the nutrition, you can eat more fresh fruits and seasonal vegetables, it is best not to eat spicy, greasy products. Secondly, early pregnancy can not be excessive activities, and can not be tired and strenuous exercise, pay more attention to rest, always observe their own feelings, if there are abnormalities need to actively go to the hospital for treatment. Finally, maintain a good mood, do not get angry, rest on time, develop a good routine, before and after the third trimester of pregnancy can not have sex, usually pay attention to personal hygiene, to keep the vaginal area clean, pay attention to adjust the body, to prevent illness during pregnancy. In the third trimester of pregnancy, you need to establish a perinatal health care book, do perinatal health care on time, and test the development of the fetus at any time.