Not smiling or playing with others

Not putting two words together

Not babbling

Saying fewer than 50 words

Making only a few sounds. Not using gestures, like waving or pointing

Having trouble playing and talking with other children

Not understanding what others say

Having problems with early reading and writing. For example, your child may not like to draw or look at books.

Saying only a few words

Not saying p, b, m, h, and w the right way in words most of the time

Not saying k, g, f, t, d, and n the right way in words most of the time. Being hard to understand, even to people who know the child well.