INS and gestational diabetes: Demonstrated that we could accurately anticipate the requirement for insulin treatment based on maternal factors such as BMI and the results of an Oral Glucose Tolerance Test (OGTT). Showed insulin therapy is required by 15-30% of women with Gestational Diabetes Mellitus (GDM). Women who are overweight and have a fasting blood glucose of 98 mg/dl or higher need to be closely monitored and exercise more