What are developmental delays?

Also known as: DM.

Whenever a child fails to reach (lags behind) a set of developmental milestone (a significant point of progress) for physical/motor (movement), in language and communication, social, or behavioral function, and/or cognitive ability (to think, learn, and solve problems) at their expected time, it's known as developmental delay.


Reviewed by: Jack Wolfsdorf, MD, FAAP

This page was last updated on: 1/29/2019 3:21:13 PM

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