Speech and language development milestones relate to receptive language (the ability to understand words and sounds) and expressive language (the ability to use speech and gestures to communicate meaning).
Most 1-year-olds begin to understand the meanings of words. Their receptive language grows from understanding names of people and objects, to being able to follow simple requests sometime between ages 1 and 2. Expressive language advances from primarily using gestures and babbling at age 1, to using words, simple phrases, and some early sentence structures between ages 2 and 3.
1-year-olds (12 months to 24 months):
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2-year-olds (24 months to 36 months):
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Current as ofDecember 12, 2018
Author: Healthwise Staff
Medical Review: Susan C. Kim, MD - Pediatrics
Thomas M. Bailey, MD, CCFP - Family Medicine
John Pope, MD, MPH - Pediatrics
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Louis Pellegrino, MD - Developmental Pediatrics
Current as of: December 12, 2018