Milestone Development

The following represents an average range for speech and language development. Contact your Pediatrician if you have concerns.

3 – 6 months

  • Child responds to your face by smiling or cooing
  • Blinks, jerks, or cries to sudden loud noises
  • Begins babbling

6 – 8 months

  • Responds to human voices by turning and looking
  • Uses intonation to voice pleasure/displeasure
  • Continues babbling
  • Smiles or talks to image in mirror

8 – 10 months

  • Responds to name
  • Produces four or more different sounds (i.e., ba, da, ka)
  • Vocalizes purposefully to gain attention
  • May say "mama" and "dada"
  • Puts objects into or out of cup or box

10 – 12 months

  • Understands "no" and simple instructions
  • Repeats familiar words by imitating them
  • Makes the "sounds" of familiar animals and things
  • Waves good-bye and plays pat-a-cake

12 – 18 months

  • Recognizes pictures of familiar persons and objects
  • Understands "in" and "on"
  • Uses words such as "more" and "up"
  • Begins to combine words such as "all gone"

18 – 24 months

  • Begins to identify body parts of a doll
  • Pronouns "mine," "me," "you," and "I"
  • Asks "what's this?" or "what's that?"
  • Sentence length is two to three words
  • Starting to name pictures

24 – 30 months

  • Uses two-word negative phrases such as "not go"
  • Forms some plurals by adding "s"
  • Comprehends simple time concepts, "last night," "last week," "tomorrow"
  • Responds to specific requests, "Put the toy away"

30 – 36 months

  • Uses most personal pronouns (I, me, you) and some prepositions (or, under, behind)
  • Knows first and last name, sex, name of street on which he/she lives, and several nursery rhymes
  • Sentence length is at least three or four words
  • Begins to asks "what" and "why" questions

36 – 48 months (3 to 4 years)

  • Points to colors red, blue, yellow, and green and may name one
  • Identifies crosses, triangles, circles, and squares
  • Identifies body parts by pointing
  • Can count to at least four
  • Sentence length is at least 4 to 5 words
  • Asks "who," "what," and "why" questions

5 years

  • Knows common opposites: big/little, hard/soft, heavy/light
  • Can count 10 objects
  • Names primary colors
  • Sentence length is at least 5 words