Infants

Birth -11 mon.

by 3 months your baby should

• calm or smile at your voice

• coo (vowel sounds such as ooo, aaa,  eee)

• smile at people

• different cries for different needs

by ​6 months

• notice music and toys that make sounds

• respond to different tones of voice (ex.: scolding vs. excitement)

• uses their voice to express feelings (sounds happy, mad, sad, etc.)

• babbles (bu, po, ma)

• coos and babbles when alone or when playing with you

• laughs

by 1 year​

• stops and turns when name is called

• looks in the direction you are pointing

• responds to words/short phrases, "No, want up, more"

• understands common words such as "milk, juice, bites, ball"

• plays peek-a-boo or other similar games with you

• produces strings of babble (momo bibi dada)

• uses voice and gestures to get needs met

• some gestures such as waving, raising arms to be picked up, nodding or shaking head