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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.

Developmental Disabilities Topics

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Milestones, screening, causes and risk factors, and living with a disability.

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What we’ve learned and CDC’s work.

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Print or order free materials.

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Links to information from other organizations.

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Information about specific types of developmental disabilities.

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Scientific articles.

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Videos, podcasts, and widgets.

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Overview of CDC’s work.

Developmental Milestones

Amazing Me Book

Children reach milestones in how they play, learn, speak, behave, and move (for example, crawling and walking). Check out milestones by age:

Birth through 5 years of age



Public Health Grand Rounds

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Contact Us:
  • Centers for Disease Control and Prevention

    National Center on Birth Defects and Developmental Disabilities

    Division of Birth Defects and Developmental Disabilities

    1600 Clifton Road
    MS E-87
    Atlanta, GA 30333
  • 800-CDC-INFO
    TTY: (888) 232-6348
  • Contact CDC-INFO The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30329-4027, USA
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