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Prediabetes — USMLE Step 3 MCQ

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ModerateAmbulatory Medicine / Primary CarePrediabetesUSMLE Step 3

A 42-year-old woman has BMI 34 kg/m2 and A1c 6.1% on two occasions. She has a history of gestational diabetes. Blood pressure and lipids are controlled. She asks how to prevent diabetes. Which of the following would you recommend at the follow-up visit?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: B — Refer to an intensive lifestyle intervention programme

Intensive lifestyle intervention is first-line for prediabetes; metformin can be considered in selected high-risk patients such as those with prior gestational diabetes.

Reference: ADA Standards of Care in Diabetes 2026