Milestones & Development
Take the stress out of milestones with the latest data on your child's development — walking, talking, reading, and more.
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Milestone Tracker
Based on the CDC’s Learn the Signs. Act Early. milestones — what most children do by a given age.
CDC checkpoints list the milestones about 75% of children show by the listed age. Developmental milestones are screening tools, not performance benchmarks; they help identify children who may benefit from early intervention.
Source: CDC Learn the Signs. Act Early. (Feb 2022 update).
Browse articles by topic
3 minute read
When Do Babies Roll Over?
Kelly Fradin, MD
3 minute read
What Milestones Do Pediatricians Care About?
Kelly Fradin, MD
1 minute read
When Do Babies Start Smiling?
Emily Oster, PhD
3 minute read
What’s the Best Way to Interact With My Baby?
Emily Oster, PhD
11 minute read
How to Help Your Kids Be More Independent
Miranda Featherstone
2 minute read
Is There a Relationship Between Crawling and Reading?
Emily Oster, PhD
7 minute read
How Many Words Should Kids Say? And When?
Emily Oster, PhD
3 minute read
Should I Correct My Toddler’s Pronunciation?
Jennifer Shonkoff
3 minute read
Am I Hurting My Baby by Sitting Them Up?
Adam Davis, MD
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