People who should be screened for prediabetes include those who are overweight and have one or more of the following risk factors:

• Family history of diabetes
• History of gestational diabetes or a baby weighing over 9 pounds
• History of impaired fasting glucose or impaired glucose tolerance
• Are not physically active
• Members of certain ethnic groups (including Asian American, African-American, Hispanic American, and Native American)
• Elevated blood pressure
• Have an HDL cholesterol level (the “good” cholesterol) of 35 mg/dl or lower and/or a triglyceride level of 250 mg/dl or higher
• Polycystic ovarian syndrome (PCOS)
• Vascular disease