At a glance
- CDC's Learn the Signs. Act Early. program has free resources and tools to track child development.
- Use the filter options below to explore the available resources and tools.
- Click the resource you are interested in to access the full suite of resources, including additional formats and languages.

Content Source
National Center on Birth Defects and Developmental Disabilities (NCBDDD)
About This Page
Published: September 4, 2025
Updated: April 9, 2026
This page was last updated on this date. Updates may include minor edits, image changes, or other modifications to page content.
Reviewed: December 8, 2025
The information on this page was last reviewed by subject matter experts to ensure accuracy.

