Developmental Milestones - 4 months

Important Milestones: Your Baby By Four Months
Milestone Checklist
How your child plays, learns, speaks, acts, and moves offers important clues about your child’s development. Developmental milestones are things most children can do by a certain age. Check the milestones your child has reached by the end of 4 months. Talk with your child’s doctor at every visit about the milestones your child has reached and what to expect next. What most babies do by this age:




Social and Emotional
  • Smiles spontaneously, especially at people 
  • Likes to play with people and might cry when playing stops 
  • Copies some movements and facial expressions, like smiling or frowning 
Language/Communication
  • Begins to babble 
  • Babbles with expression and copies sounds he hears 
  • Cries in different ways to show hunger, pain, or being tired  
Cognitive (learning, thinking, problem-solving)
  • Lets you know if he is happy or sad 
  • Responds to affection 
  • Reaches for toy with one hand 
  • Uses hands and eyes together, such as seeing a toy and reaching for it 
  • Follows moving things with eyes from side to side 
  • Watches faces closely 
  • Recognizes familiar people and things at a distance
 Movement/Physical Development
  • Holds head steady, unsupported 
  • Pushes down on legs when feet are on a hard surface 
  • May be able to roll over from tummy to back 
  • Can hold a toy and shake it and swing at dangling toys 
  • Brings hands to mouth 
  • When lying on stomach, pushes up to elbows 
Act early by talking to your child’s doctor if your child:
  • Doesn’t watch things as they move
  • Doesn’t smile at people
  • Can’t hold head steady
  • Doesn’t coo or make sounds
  • Doesn’t bring things to mouth
  • Doesn’t push down with legs when feet are placed on a hard surface
  • Has trouble moving one or both eyes in all directions
Source: https://www.cdc.gov/ncbddd/actearly/milestones/milestones-4mo.html


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