In this report released on April 1, 2016, authors Deborah L. Christensen, Ph.D.; Jon Baio, EdS; Kim Van Naarden Braun, Ph.D.; and colleagues of the federal Centers for Disease Control and Prevention (CDC) presented findings from an analysis of data from the 11 Autism and Developmental Disabilities Monitoring (ADDM) Network sites. The researchers reviewed records from community sources that educate, diagnose, treat, or provide services to children with autism spectrum disorder (ASD) and related developmental disabilities. They developed a national prevalence estimate, as well as reporting on the prevalence at each site. The ADDM Network is an active . . .