Pink Mom MathBaby Development Milestone Calculator
Enter your baby's age to see developmental milestones organized by category and status — expected, emerging, and upcoming.
About the CDC 2022 Milestone Checklist
In February 2022, the CDC and American Academy of Pediatrics (AAP) released updated developmental milestones — the first major revision since 2004. Key changes include:
- Milestones now reflect what 75% of children can do at each age (previously 50%) — making them more reliably detectable in clinical settings
- Added 15-month and 30-month checkpoints not in the 2004 list
- Clearer, more observable language for each milestone
This calculator shows milestones in three groups: Expected (skills your child should have by now), Emerging (skills typical for this age), and Upcoming (what to watch for next).
Frequently Asked Questions
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This calculator provides estimates for educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your healthcare provider with questions about your health or your baby's health.
CDC Learn the Signs. Act Early. 2022 revised developmental milestone checklist. Milestones are population-level references, not clinical diagnoses.