Developmental Milestones Checklist
Checklist of key developmental milestones by age from 2 months to 5 years based on CDC Learn the Signs. Act Early. program.
Select the child's age to view appropriate milestones
⚠️ Warnings & Contraindications
- This is not a substitute for standardized, validated developmental screening tools
- These milestones represent what 75% or more of children can do by each age
- Premature infants should be assessed using corrected age
- If child has lost skills they once had, seek immediate evaluation
ℹ️ Clinical Notes
CDC milestones updated in 2022/2024. Implementation requires embedding milestone data for each age group. AAP recommends formal screening at 9, 18, and 30 months, plus ASD screening at 18 and 24 months.
References
- CDC's Developmental Milestones - Learn the Signs. Act Early. - CDC (2024)
- Milestone Moments Checklist - CDC (2024)
Medical Disclaimer
This calculator is provided for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or calculated using this tool.
The authors and publishers of this calculator make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability, or availability of the information, products, services, or related graphics contained within this tool for any purpose.