Skip to content

Puberty- Sexual Education For Boys And Girls Subtitles English May 2026

The first visible sign of puberty in most girls is breast development, often starting as small, tender "breast buds" under the nipple.

Puberty is triggered by hormones from the brain that signal the reproductive organs—the ovaries in females and the testes in males—to begin producing sex hormones.

: Puberty typically starts between the ages of 8 and 13 for girls and 9 and 14 for boys, though the exact timing varies for everyone. Physical Changes in Girls The first visible sign of puberty in most

: Hips widen, and there is an increase in body fat around the stomach and buttocks.

The first sign of puberty in boys is usually the enlargement of the testicles. Physical Changes in Girls : Hips widen, and

: Growth of pubic and underarm hair, a clear or white vaginal discharge, and a rapid growth spurt. Physical Changes in Boys

National Institutes of Health (.gov)https://www.ncbi.nlm.nih.gov Physiology, Puberty - StatPearls - NCBI Bookshelf Physical Changes in Boys National Institutes of Health (

: For girls, the primary hormone is estrogen , while for boys, it is testosterone .