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The Growing Child- Teenager (13 to 18 Years)
Teenager Growth & Development: 13 to 18 Years (Adolescent)
The Growing Child: Adolescent 13 to 18 Years - Johns Hopkins Medicine
Stages of Adolescence - HealthyChildren.org
Moving Onwards: Your 13 to 15-Year-Old | Child Development
Your Daughter at 13: Milestones - WebMD
Development Milestones for Your 13-Year-Old Child - Parents
14-Year-Old Development Milestones - Parents
Positive Parenting Tips: Young Teens (12–14 years old)
Teen Growth and Development, Ages 15 to 17 - Sutter Health