Our age-specific overviews can give you a sense of how your child might develop from birth to age 3. Print them or keep them handy on your smartphone or tablet for your next doctor visit. Your Child's Development: Newborn Your Child's Development: 3-5 Days Your Child's Development: 1 Month Your Child's Development: 2 Months Your Child's Development: 4 Months Your Child's Development: 6 Months Your Child's Development: 9 Months Your Child's Development: 1 year (12 Months) Your Child's Development: 15 months Your Child's Development: 1.5 Years (18 Months) Your Child's Development: 2 Years (24 Months) Your Child's Development: 2.5 Years (30 Months) Your Child's Development: 3 Years (36 Months) Back to Articles Related Articles Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.