Puberty Age Ranges: A Comprehensive Guide for Girls & Boys

Puberty typically begins between the ages of 8 and 13 in girls and between 9 and 14 in boys, but it can start earlier or later. Here is a general timeline of the common ages for puberty:

Girls

- 8-9 years old: Thelarche (breast development) begins

- 9-10 years old: Pubic hair begins to grow

- 10-11 years old: Menarche (first menstrual period) occurs

- 12-13 years old: Growth spurt occurs

- 14-15 years old: Puberty is complete

Boys

- 9-10 years old: Testicular enlargement begins

- 10-11 years old: Pubic hair begins to grow

- 11-12 years old: Voice deepens

- 12-13 years old: Growth spurt occurs

- 14-15 years old: Spermarche (first ejaculation) occurs

- 16-17 years old: Puberty is complete