CDC’s “Learn the Signs. Act Early.” program aims to improve early identification of children with autism and other developmental disabilities so children and families can get the services and support they need. For more information visit

Milestone Checklists (English)

Milestone Brochure (English)

Milestone Checklists (Spanish)

Milestone Brochure(Spanish)

Milestone Tracker App

FREE online training course for providers: Watch Me! Celebrating Milestones and Sharing Concerns