Exclusive Breastfeeding Improves Puerperal Glucose Metabolism in Pregnant Women With Gestational Diabetes Mellitus and Links to Lipids Composition

Inclusion Criteria: 1. 18-35 years old; 2. gestational age greater than 37 weeks; 3. Body Mass Index (BMI) before pregnancy 18.5-28kg/m2; 4. Have normal listening and speaking skills, can communicate, and are willing to participate in this study. Exclusion Criteria: 1. abnormal glucose metabolism or diabetes has been diagnosed before pregnancy; 2. assisted reproduction; 3. GDM patients requiring drug treatment; 4. The use of blood lipid regulation drugs; 5. other pregnancy complications and complications; 6. Suffering from heart, malignant tumor, kidney and other major organ diseases; 7. associated with neurological dysfunction and cognitive impairment; 8. Failure to cooperate with follow-up observers.