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Baby

Development in month 12

Development month by month — what your baby is learning now, what to watch, and how to support.

Motor milestones

  • First free steps (for most)
  • Can walk short distances alone
  • Climbs low steps
  • Eats independently with fingers

Cognitive milestones

  • Understands ‘yes’ and ‘no’ clearly
  • Object permanence fully developed
  • Remembers rules and routines

Social and emotional milestones

  • Parallel play with other children
  • Clearly shows emotions: joy, defiance, fear
  • Begins role play with toys

Language milestones

  • 3–5 words in active vocabulary
  • Understands 50–100 words passively

Red flags — when to see the paediatrician?

  • No attempts to walk
  • No meaningful word
  • No imitative actions
  • No interest in simple play

Activity ideas

  • Pull toys to chase
  • Large building block sets
  • First finger paint or dough
  • Wheelbarrow games

Common concerns and tips

First birthday is a big milestone. Toddlerhood begins. First-year vaccinations mostly done, U6 check-up over.

Development varies. This information is based on WHO and CDC milestones but does not replace paediatric assessment. If in doubt, consult your paediatrician.

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