Puberty

Question 1

Males

Answer 1

Range in which puberty begins: 9 - 14

Mean onset of puberty: 12 years

Question 2

Females

Answer 2

Range in which puberty begins: 8-14

Mean age of onset: 11

Question 3

Length

Answer 3

3-4 years

Question 4

Onset

Answer 4

Females - appearance of breasts, pubic / axillary hair

Males - testicular enlargement, pubic / axillary hair

Tanner stages (5 stages)

Question 5

Puberty progression

Answer 5

Thelarche = onset of secondary breast development (generally preceeds menarche by 2 years)

Menarche = onset of first period (typically Tanner 4)

Pubarche = onset of pubic hair (generally preceded by breast bud)

Growth spurt generally in stages 2+3 girls, 3+4 boys