At 21 months is when toddlers begin to incorporate two word phrases into their vocabulary, such as "I go", "mama give", and "baby play". [citation needed] Before going to sleep they often …

Aug 5, 2025 · Learn about developmental milestones, including emotional and social development, for toddlers from 2 to 3 years old. There are many things you can do to help …

Sep 16, 2025 · Experts group child developmental milestones into four areas: Children have five developmental stages. A toddler is in the second stage, between ages 1 and 3. They’ve …

May 6, 2025 · By age three, most children have developed a growing vocabulary, emotional expression, and increased independence. Brain development during the first three years of life …

Read about toddler development, including how to deal with everything from picky eaters to tantrum-throwers.

Is your toddler due for a check-up? See the AAP Schedule of Well-Child Care Visits. Stuttering in Toddlers & Preschoolers: What’s Typical, What’s Not?

Learn about toddler and preschooler development, childcare, nutrition, hygiene, sleep, discipline, injuries, and more from the editors of Parents magazine.