The risks of gestational diabetes are more varied, in early, mid and late pregnancy, respectively. Early pregnancy may result in miscarriage and premature birth. In the middle and late stages of pregnancy, the risk of miscarriage and preterm delivery may be increased. In the middle and late stages of pregnancy, the risk of miscarriage and preterm delivery may be increased, and in the middle and late stages of pregnancy, the risk of miscarriage and preterm delivery may be increased, and in the late stages of pregnancy, the risk of miscarriage and preterm delivery may be increased. Patients are advised to pay close attention to gestational diabetes.