Physical Characteristics

At 15 months, averages 22-23 pounds, 31 inches

Teeth begin to come in rapidly


Motor Development

Crawls skillfully and quickly

Stands alone with feet spread apart, legs stiffened, and arms extended

Can rise from the floor to a standing position independently

Walks independently at the end of this period; falls often

Crawls up and down stairs on all fours

Kicks a stationary ball


Cognitive Development

Passes toy to other hand when offered a second object

Points to a few body points when named


Speech and Language Development

Uses one word to convey entire thought: “me”

Uses 3-20 words

Imitates new words


Personal-Social Development

Recognizes self in mirror

Imitates adult actions in play

Plays alone for short periods


Check with your child's pediatrician if by Eighteen Months your child does NOT:

Speak at least 15 words

Respond to simple questions with “yes” or “no”

Walk alone (or with very little help)

Know the function of common household objects

Show interest in pictures

Recognize self in mirror

Did you answer yes to one or more of the developmental alerts?

  1. First and foremost, please contact your child's pediatrician. Your health care provider is your best resource if you have any questions or concerns.
  2. Secondly, would you like to speak with someone at Special Kids to learn more about how our services may benefit your child? Contact our Family Resources team to learn more.

*Developmental milestone survey adapted from Lynn Marotz and K. Eileen Allen's book Developmental Profiles: Pre-birth through Adolescence.