Baby Developmental Milestones

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Baby Developmental Milestones Month by Month


Your baby will give you the most important information—how he or she likes to be treated, talked to, held, and comforted. This section address the most common questions and concerns that arise during the first months of life.

Is your baby due for a check-up? See the AAP Schedule of Well-Child Care Visits.


At Birth – 3 months your baby should…

  • Raises head & chest when on stomach
  • Stretches & kicks on back​
  • Opens and s​huts hands
  • Brings hand to mouth
  • Grasps and shakes toys
  • Begins to develop social smile
  • Enjoys playing with people​​​​​
  • More communicative
  • More expressive with face & body
  • Imitates some movements & expressions
  • Follows moving objects
  • Recognizes familiar objects and people at a distance
  • Starts using hands and eyes in coordination
  • Prefers sweet smells
  • Prefers soft to coarse sensations

At 4 – 7 months your baby should…

  • Rolls bot​h ways
  • Sits with and ​without support of hands
  • Supports whole weight on l​egs
  • Reaches with one hand
  • Transfers object from hand to hand
  • Uses raking grasp​
  • Enjoys social play
  • I​nteres​ted in mirror images
  • Responds to expressions of emotions
  • Appears joyful often
  • Finds partially hidden object
  • Explores with ha​nds and​ mouth
  • ​Struggles to get obj​ects that are out of reach

At 8 – 12 months your baby should…

  • Gets to sitting​ position​ without help
  • Crawls forward on belly
  • Assumes hands-and-knees ​positions
  • Gets from sitting to crawling position
  • Pulls self up to stand
  • Walks holding on to furniture
  • Shy or anxious with strangers
  • Cries whe​n parents leave
  • Enjoys imitating peopl​e in play
  • Prefers certain people and toys
  • Tests parental response
  • Finger-feeds himself
  • Explores objects in different ways
  • Finds hidden objects easily
  • ​Looks at correct picture when the image​ is named
  • Imitates gestures
  • Begins to use objects correctly