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Stages of Newborn and Toddler Development

This resource with links to the American Academy of Pediatrics' Healthy Children website provides information about the stages of development for babies 0-12 months, and toddlers 1-3 years.


Baby 0 - 12 months

The Baby 0-12 months website provides information on the developing physical, social skills, and

sensory milestones.


Toddlers 1 - 3 years

The Toddlers 1-3 years website provides information on a toddlers physical, social skills, and cognitive thinking.



American Academy of Pediatrics, Healthy


The contents of this website were developed under a grant from the U.S. Department of Education and are intended for general reference purposes only. However, those contents do not necessarily represent the policy of the U.S. Department of Education or the Center, and you should not assume endorsement by the Federal Government. Some resources on this site require Adobe Acrobat Reader. This website archive includes content and external links that were accurate and relevant as of September 30, 2019.