Information About Infants & Toddlers (Ages 0-3)

What to know

Being a parent of a baby or a toddler can be both fun and hard work. If your child is age three or younger, this page is for you. These links will help you learn how to give your child a healthy start to life.

Childcare teacher with children

What's included

Diseases and conditions

A toddler baby girl drawing with pencils using both hands
Learning about common conditions can help parents recognize concerns and find trusted information for their young child.
Keep Reading Infants & Toddlers: Diseases & Conditions

Safety in the home and community

Mother and baby daughter snuggling together.
Safe caregiving and everyday precautions help protect infants and toddlers at home and in the community.
Keep Reading Infants & Toddlers: Safety in the Home & Community

Raising healthy children

Twins boys lying on the bed
Nutrition, vaccines, and positive parenting help infants and toddlers build a healthy foundation.
Keep Reading Infants & Toddlers: Raising Healthy Children

Milestones and schedules

A little girl who is biting a teething toy
Watching how young children play, learn, and grow helps parents track development and support their progress.
Keep Reading Infants & Toddlers: Milestones & Schedules

Track your child's development

Mom using milestone tracker app next to baby
Milestone Tracker App
Download to track developmental milestones from 2 months through 5 years.
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Content Source
National Center on Birth Defects and Developmental Disabilities (NCBDDD)
About This Page
Published: May 15, 2024
Updated: November 2, 2026

This page was last updated on this date. Updates may include minor edits, image changes, or other modifications to page content.

Reviewed: November 2, 2026

The information on this page was last reviewed by subject matter experts to ensure accuracy.