Weeks 9 to 17 · Baby development

2–4 months

Notice emerging connection, movement, and routines without turning milestones into a race.

Sleeping newborn wrapped in a soft ivory blanket

Know

  • Social responses and head control often develop gradually.
  • Responsive interaction supports connection.

Do next

  • Offer supervised tummy time while awake.
  • Bring feeding and sleep questions to the next visit.

Ask

  • Is growth tracking as expected?
  • What play is appropriate right now?

Make this stage yours.

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Trusted starting points

Educational information only. Contact a qualified clinician for medical advice or urgent concerns.

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2–4 months guide | baby to bloom OS