TUESDAY, Oct. 24, 2023 (HealthDay News) — “Approximately one-quarter of 16-year-olds with autism spectrum disorder (ASD) have not been formally diagnosed, according to a brief report published online Aug. 29 in the Journal of Autism and Developmental Disorders.

Walter Zahorodny, Ph.D., from Rutgers University-New Jersey Medical School in Newark, and colleagues examined the prevalence and expression of ASD among 16-year-olds in a large U.S. metropolitan region. The analysis included data from the Autism and Developmental Disabilities Monitoring Network.”