Free milestone checklists and developmental information from the CDC’s Learn the Signs. Act Early. program for parents and caregivers of children ages 2 months through 5 years. Families can explore how children play, learn, speak, act, and move; complete or print age-specific checklists; and find tips to support development. The resource also explains what to do when a child is not meeting milestones, has lost skills, or there are other developmental concerns. These materials support developmental monitoring and are not a substitute for standardized, validated developmental screening tools.
Printable milestone checklists are also available in additional languages; language availability varies by material.