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    Important Milestones: Your Baby By Four Months | CDC

    • Check the milestones your child has reached by 4 months by completing a checklist with CDC’s free Milestone Tracker mobile app, for iOS and Android devices, using the Digital Online Checklist, or by … See more

    Social/Emotional Milestones

    Smiles on his own to get your attention Audio Description Low Resolution Video
    Chuckles (not yet a full laugh) when you try to make him laugh Audio Description Low Resolution … See more

    CDC
    Language/Communication Milestones

    Makes sounds like “oooo”, “aahh” (cooing) Audio Description Low Resolution Video
    Makes sounds back when you talk to him Audio Description Low Resolution Video
    Turns hea… See more

    CDC
    Cognitive Milestones (Learning, Thinking, Problem-Solving

    If hungry, opens mouth when he sees breast or bottle
    Looks at her hands with interest Audio Description Low Resolution Video See more

    CDC