What Happens During Stage 3 of Puberty? Key Physical Changes Explained

Name: What Happens During Stage 3 of Puberty? Key Physical Changes Explained
Uploaded: 2026-07-18T00:00:00Z
Duration: 29 s
Description: Learn about stage 3 of puberty, including body hair growth, voice changes, growth spurts, and development of secondary sexual characteristics.

Learn about stage 3 of puberty, including body hair growth, voice changes, growth spurts, and development of secondary sexual characteristics.

Published Jul 18, 2026

Video transcript

Stage 3 of puberty involves significant physical changes such as the growth of body hair, voice changes in males, and an increase in height. This stage generally marks the acceleration of the growth spurt and further development of secondary sexual characteristics, contributing to a clearer differentiation between male and female adolescents.

Questions and answers

What physical changes occur in stage 3 of puberty?
Stage 3 of puberty includes significant physical changes such as increased body hair growth, voice deepening in males, rapid height increase, and further development of secondary sexual characteristics.
At what age does stage 3 of puberty typically occur?
Stage 3 of puberty usually occurs during early to mid-adolescence, typically between ages 12 and 14, though this can vary individually.
How does stage 3 of puberty differ between males and females?
In stage 3, males often experience voice changes and increased body hair, while females continue maturing secondary sexual characteristics, though both genders undergo growth spurts.