| | Family Health | Teen Health What age is puberty over? Puberty ends when a person experiences no more primary or secondary sexual changes, and reproductive maturity is achieved. By the ages of 18 to 20. Teen Health - Related Articles Diet & Exercise Plans for Teens What Are the Risk Factors of a Heart Attack in Teens? Best Acne Scar Treatment Why should we not drink cold water in puberty? What happens to a teens education during teen pregnancy? The Best Way to Grow Taller When do girls get done growing?