- Add a Child: Enter personalized information about your child or multiple children.
- Milestone Tracker: Track your child's development by looking for important milestones using an interactive checklist.
- Tips and Activities: Support your child's development at every age with tips and activities.
- When to Act Early: Know when it's time to "act early" and talk with your child's doctor about developmental concerns.
- Appointments: Keep track of your child's doctors' appointments and get reminders about recommended developmental screenings.
- Milestone Summary: Get a summary of your child's milestones to view and share with or email to your child's doctor and other important care providers.
- Milestone Photos and Videos: Due to previous social distancing restrictions, photos and videos to support the updated milestones have been delayed, but will be added in a future update.
- Privacy: CDC does not collect or share any personal information that can be used to identify you or your child.
Note: This milestone checklist is not a substitute for a standardized, validated developmental screening tool. These developmental milestones show what most children (75% or more) can do by each age. Subject matter experts selected these milestones based on available data and expert consensus. For more information and free tools to help you track your child's milestones, visit www.cdc.gov/ActEarly.