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    Developmental Milestones: 0-12 Months

    ByShrenuj jalan8 min readUpdated Feb 5, 2026
    Infant (0-1)
    A happy baby lying on a colorful play mat, reaching for a toy, with soft natural light illuminating the scene.
    A happy baby lying on a colorful play mat, reaching for a toy, with soft natural light illuminating the scene.

    TL;DR (Too Long; Didn't Read)

    Every baby develops at their own pace, but understanding typical milestones helps you support your baby's growth and know when to seek guidance.

    Understanding Developmental Milestones

    Developmental milestones are skills most children can do by a certain age. They're helpful guidelines, but every child develops at their own pace.

    0-3 Months

    Physical

    • Lifts head briefly during tummy time
    • Opens and closes hands
    • Brings hands to mouth

    Social/Emotional

    • Begins to smile at people
    • Can calm with rocking, swaddling
    • Starts to follow faces with eyes

    Communication

    • Coos and makes gurgling sounds
    • Turns head toward sounds
    • Cries differently for different needs

    4-6 Months

    Physical

    • Rolls over in both directions
    • Begins sitting with support
    • Bears weight on legs when held upright

    Social/Emotional

    • Knows familiar faces
    • Likes to look in mirror
    • Responds to emotions of others

    Communication

    • Babbles with consonant sounds
    • Responds to own name
    • Uses voice to express joy and displeasure

    7-9 Months

    Physical

    • Sits without support
    • May start crawling
    • Picks up small objects with fingers

    Cognitive

    • Looks for things they see you hide
    • Plays peek-a-boo
    • Transfers objects between hands

    10-12 Months

    Physical

    • Pulls to stand
    • May take first steps
    • Uses pincer grasp

    Communication

    • Says "mama" or "dada" with meaning
    • Understands "no"
    • Uses gestures like waving

    When to Talk to Your Pediatrician

    Contact your doctor if your baby:

    • Doesn't make eye contact
    • Doesn't respond to sounds
    • Loses skills they once had
    • Seems very stiff or floppy

    📋Key Takeaways

    • 1Milestones are guidelines, not strict deadlines
    • 2All areas of development are interconnected
    • 3Tummy time supports multiple developmental areas
    • 4Talk to your pediatrician with any concerns

    ❓ Frequently Asked Questions

    About this article
    Sj
    Shrenuj jalan
    Expert

    Educationist | 15+ Years in K-12 Education & Child Development

    Shrenuj Jalan is an educationist with over 15 years of experience in K-12 education and child development, helping parents and schools support children's learning and wellbeing.

    K-12 Education
    Child Development
    School Readiness
    +2
    Published Feb 5, 2026
    Updated Feb 5, 2026

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