Pregnant women with diabetes are also required to undergo a glucose tolerance test, the main purpose of which is to further assess conditions such as pancreatic islet function and insulin resistance, and to provide guidance on the use of medication. If you have diabetes, your condition may worsen during pregnancy and affect the development of the fetus. Glucose tolerance test is clinically required and cannot be postponed or canceled, which is helpful to determine the specific blood glucose situation and further guide the way of medication and dosage. Have been using drugs before, after checking the glucose tolerance, you can adjust the drug usage on the corresponding basis. Pregnant women with diabetes should pay attention to strict dietary control, appropriate outdoor activities, to prevent intrauterine distress or abnormal development of the fetus and other conditions. Diabetic pregnant women need to consult a doctor for observation when they experience uncomfortable symptoms.