Children Classified as Medium-Risk by the M-CHAT-R at Age Two Years Have an Increased Likelihood of Subtle but Widespread Developmental Challenges at Preschool Entry: Results From the French National Birth Cohort ELFE

BACKGROUND: The Modified Checklist for Autism in Toddlers – Revised (M-CHAT-R) is widely used for screening children at age 2 for autism spectrum disorders (ASD), but it also identifies children at risk for broader developmental challenges. We aimed to examine whether M-CHAT-R risk status at age 2 is associated with cognitive, behavioral, adaptive, and school-related outcomes at ages 3 to 4.

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