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    Developmental milestones record - 12 months

    Normal childhood growth milestones - 12 months; Growth milestones for children - 12 months; Childhood growth milestones - 12 months

    The typical 12-month-old child will demonstrate certain physical and mental skills. These skills are called developmental milestones.

    Information

    All children develop a little differently. If you are concerned about your child's development, talk to your child's health care provider.

    PHYSICAL AND MOTOR SKILLS

    A 12-month-old child is expected to:

    • Be 3 times the birth weight
    • Grow to a height of 50% over birth length
    • Have a head circumference equal to that of the chest
    • Have one to eight teeth
    • Stands by his or herself
    • Walk alone or when holding one hand
    • Sit down without help
    • Bang two blocks together
    • Turn through the pages of a book by flipping many pages at a time
    • Picks up a small object using the tip of thethumb and index finger
    • Sleep 8 - 10 hours a night and take one to two naps

    SENSORY AND COGNITIVE DEVELOPMENT

    The typical 12-month-old:

    • Begins pretend play (such as pretending to drink from a cup)
    • Follows a fast moving object
    • Responds to his or her name
    • Can say momma, papa, and at least one or two other words
    • Understands simple commands
    • Tries to imitate animal sounds
    • Connects names with objects
    • Understands that objects continue to exist, even when they are not seen (object constancy)
    • Participated in getting dressed (raises arms)
    • Plays simple back and forth games (ball game)
    • Points to objects with index finger
    • Waves bye
    • May develop attachment to a toy or object
    • Experiences separation anxiety and may cling to parents
    • May make brief journeys away from parents to explore in familiar settings

    PLAY

    You can help your 12-month-old develop skills through play:

    • Provide picture books
    • Provide different stimuli, such as going to the mall or zoo
    • Play ball
    • Build vocabulary by reading and naming people and objects in the environment
    • Teach hot and cold through play
    • Provide large toys that can be pushed to encourage walking
    • Sing songs
    • Have a play date with a child of a similar age
    • Avoid television time until age 2
    • A transitional object may help with separation anxiety

    References

    Feigelman S. The first year. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 8.

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          A Closer Look

            Review Date: 11/9/2012

            Reviewed By: Jennifer K. Mannheim, ARNP, Medical Staff, Department of Psychiatry and Behavioral Health, Seattle Children's Hospital. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.

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