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
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Links to Other Websites
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Articles
Scientific articles.
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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: February 26, 2021