Overview
Preschooler development is a range from 3 to 6 years of age. Many physical and language milestones are achieved during this time period.
Review Date 10/31/2022
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.