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Ages and Stages

Developmental Milestones

Developmental milestones are the things most children can do by a certain age. While all children develop differently, it helps to know if your child is meeting typical milestones at different ages and stages and how you can support their healthy development. How your child plays, learns, speaks, acts and moves offers important clues about your child’s development. Below is information to help you understand what’s happening at different stages of your child’s life and how you can help them learn and grow.

 

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  INFANTS | TODDLERS | PRESCHOOLERS

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Content provided by the Centers for Disease Control and Prevention’s “Learn the Signs. Act Early.” program. Milestone checklists are not a substitute for a standardized, validated developmental screening tool.

RESOURCES


CDCs Milestone tracker app

More About the Stages of Child Development

 

  • Arizona’s Infant and Toddler Developmental Guidelines – First Things First and other partners in Arizona’s early childhood system developed this detailed resource to help parents, families and other caregivers understand the appropriate development of children from birth to age 3, and also what they can do to support children’s healthy development and learning.
  • ZEROTOTHREE.org – the skills and behaviors you can expect from your baby at every stage from birth to 3
  • HealthyChildren.org – more on developmental stages from the American Academy of Pediatrics
  • PBS.org/parents – help your child learn and grow with age-by-age tips and activities

 

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