Most girls begin puberty between ages
8 and 14, with an average of 11. Girls
develop more quickly than boys and
most finish puberty within four years.
Most boys begin puberty between
ages 9 and 14, with an average of 12.
Most boys finish puberty within six
years.
Puberty to boys= voice breaks,
testes and penis get bigger,
testes start to produce sperm
cells, shoulders get wider and hair
grows on face and chest
Puberty to girls=breasts develop,
ovaries start to release egg cells (the
menstrual cycle starts), hips get wider
General puberty=underarm hair grows, pubic hair
grows, body smell gets stronger, emotional changes,
growth rate increases