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People with symptoms of thirst, frequent urination, and weight loss are tested immediately. 
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Starting at age 35, all people without risk factors should be tested for prediabetes and type 2 diabetes every three years if tests are normal. (The ADA changed this from the previously recommended age of 45.) 
- Women planning to become pregnant should be screened with a fasting glucose test, especially if they have risk factors.
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People should be tested at a younger age and more often if: - 
They are obese. 
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They have a parent or sibling with diabetes. 
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They are from a high-risk group, such as African American, Hispanic, Asian, or Native American. 
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They have delivered a baby more than 9 pounds or had gestational diabetes. 
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They have high blood pressure. 
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They have low HDL cholesterol or high triglycerides. 
 
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The American Diabetes Association (ADA) updates its guidelines for standards of medical care annually. These are the 2022 guidelines for screening:



