Milestones matter! Track your child’s milestones from age 2 months to 5 years with CDC’s easy-to-use illustrated checklists. Get tips from the CDC for encouraging your child’s development and find out what to do if you are ever concerned about how your child is developing. Download the Milestone Tracker App for free today on iOS and Android devices in English and Spanish! https://www.cdc.gov/ncbddd/actearly/milestones-app.html