Developmental Disabilities
Developmental disabilities are a group of conditions due to an impairment in physical, learning, language, or behavior areas. About one in six children in the U.S. have one or more developmental disabilities or other developmental delays.
Facts
Milestones, screening, causes and risk factors, and living with a disability.
Research & Tracking
What we’ve learned and CDC’s work.
Resource Center
Print or order free materials.
Links to Other Websites
Find information from other organizations.
Specific Conditions
Information about specific types of developmental disabilities.
Articles
Scientific articles.
Multimedia & Tools
Videos, podcasts, and widgets.
About Us
Overview of CDC’s work.
Children reach milestones in how they play, learn, speak, behave, and move. CDC has checklists to help parents and others track a child’s development.
Page last reviewed: November 12, 2020