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.
Milestones, screening, causes and risk factors, and living with a disability.
What we’ve learned and CDC’s work.
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Find information from other organizations.
Information about specific types of developmental disabilities.
Videos, podcasts, and widgets.
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.