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Autism screening — USMLE Step 3 MCQ

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EasyAmbulatory Medicine / Primary CareAutism screeningUSMLE Step 3

An 18-month-old boy is brought for a well-child visit. He was born at term, has normal growth, and has no parental concerns. He uses several words and walks independently. Immunizations are up to date. Which of the following is the most appropriate screening recommendation?

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

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Correct answer: CAdminister a validated autism-specific screening tool

The AAP recommends autism-specific screening at 18 and 24 months in addition to developmental surveillance.

Reference: AAP preventive pediatric health care guidance