Pregnant women with diabetes have a greater impact on their children, as follows: 1. High blood sugar leads to abnormalities in embryonic development and even embryonic death. In severe diabetic pregnant women, the miscarriage rate is as high as 15-30%; 2. The incidence of huge babies is high, reaching 25%-42%, while huge babies lead to increased chances of difficult deliveries and obstetric surgeries; 3. High blood sugar affects the development of the placenta, leading to delayed embryonic development, such a rate reaches about 21%; 4. The incidence of preterm delivery is also higher than normal pregnant women, reaching 10%-25%; 5. 5. The incidence of fetal malformation increases, reaching 6%-8%; 6. The incidence of neonatal respiratory distress syndrome increases; 7. The incidence of neonatal hypoglycemia increases.