Three to six months

Developmental Milestones

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.

What’s unique to your three month old?  What is typical of a six month old?

Developmental Milestones 3 to 6 months

Social and Emotional Milestones 

At four months:

  • Smiles spontaneously, especially at people 
  • Likes to play with people and might cry when playing stops 
    video icon
  • Copies some movements and facial expressions, like smiling or frowning 
  • Knows familiar faces and begins to know if someone is a stranger 

At six months:

  • Likes to play with others, especially parents 
  • Responds to other people’s emotions and often seems happy 
  • video iconLikes to look at self in a mirror

Communication Milestones 


At four months:

  • Begins to babble 
    video icon
  • Babbles with expression and copies sounds he hears 
    video icon
  • Cries in different ways to show hunger, pain, or being tired

At six months:

  • Responds to sounds by making sounds 
    video icon
  • Strings vowels together when babbling (“ah,” “eh,” “oh”) and likes taking turns with parent while making sounds 
    video icon
  • Responds to own name 
    video icon
  • Makes sounds to show joy and displeasure 
    video icon
  • Begins to say consonant sounds (jabbering with “m,” “b”)

Physical Milestones 

Gross motor/Fine motor

At four months:

  • 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 
    video icon
  • When lying on stomach, pushes up to elbows 

At six months:

  • Rolls over in both directions (front to back, back to front) 
    video icon
  • Begins to sit without support 
  • When standing, supports weight on legs and might bounce 
    video icon
  • Rocks back and forth, sometimes crawling backward before moving forward 
    video icon

Cognitive Milestones

Learning, thinking, problem-solving

At four months:

  • Lets you know if he is happy or sad 
  • Responds to affection 
    video icon
  • 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 
    video icon

At six months:

  • Looks around at things nearby 
    video icon
  • Brings things to mouth
  • Shows curiosity about things and tries to get things that are out of reach
  • Begins to pass things from one hand to the other 

Your young child loves to learn from you!  Do you know about the free app and website, VROOM?  VROOM helps parents create fun learning opportunities in every day moments. The website and app are easy to use and help you give your baby a strong start in life!

Birth – 3 months          3 – 6 months           6-9 months           9-12 months          18 months           2 years          3 years  



FAMILY FUN