After a woman is pregnant, the condition of her body will change and she will be prone to abnormalities during pregnancy. So for the maintenance of pregnancy is mainly the following aspects: first, a reasonable diet, after pregnancy, although the baby also to grow and develop, but not to over-eating. It is recommended that on the basis of the original diet, appropriate to eat some high-protein food, such as eggs, maternal milk powder and so on. At the same time, vegetables and fruits can be eaten normally. But when eating fruit, you must pay attention to not eating more, because the sugar content of fruit is high, eating too much will affect blood sugar. Second, appropriate activities, if there is no abnormal placenta position and miscarriage, normal daily life is not restricted. Third, timely maternity checkups.