Milestones
- Birth-3 Months: Your Baby Is an Amazing Little One
- 3–6 Months: Your Baby Responds to His or Her Surroundings
- 6–9 Months: Your Baby Begins to Explore Their World
- 9–12 Months: Your Baby Actively Explores Their World
- 12–15 Months: Your Child Begins to Make New Words
- 15–18 Months: Yes, Your Child Is Becoming a Toddler!
- 18–21 Months: Your Toddler Learns Self-Help Skills
- 21–24 Months: Your Toddler Learns to Use New Words
- 2 Years (24–27 Months): 2-Year-Olds Are Wonders
- 2 Years (27–30 Months): They're Still Babies, But More Complex and Growing
- 2 Years (30–33 Months): Your Child Is Developing More Body Control
- 2 Years (33–36 Months): Your Child Begins to Socialize
- 3 Years (36–39 Months): Your Child Expands Their Language Skills
- 3 Years (39–42 Months): Your Child Learns to Express Their Feelings
- 3 Years (42–45 Months): Your Child Can Make Choices
- 3 Years (45–48 Months): Your Child Can Do Many Things
- 4 Years (48–51 Months): Your Child Refines Their Skills
- 4 Years (51–54 Months): Your Child Learns Through Hands-On Experiences
- 4 Years (54–57 Months): Your Child Learns Through Play
- 4 Years (57–60 Months): Your Child Prepares to Enter Kindergarten
- 5 Years: Your Child Is Exploring and Creating
- 5 Years: Learning to Get Along With Others
- 6 Years: Growing Aware of Their World
- 7 Years: Learning Self-Control
- 8 Years: Solving Problems on Their Own
- 9 Years: A Growing Sense of Independence
- 10 Years: Forming Deeper Relationships
- 11 Years: The Beginning of Puberty
- 12 Years: Transitioning to the Teens
- 13 Years: The Moody Blues
- 14 Years: Pack Mentality
- 15 Years: Pushing the Limits
- 16 Years: More Assured, but Still Uneasy
- 17 Years: Gearing Up for Growth and Change
- 18 Years: Stepping Into Adulthood
- 19 Years and Older