Tanner stage

Question 1

Stage 1 (approx ages 8-11)

Answer 1

Breast: Elevation of nipple

Pubic Hair: Villus hair only

Height velocity/yr: 2-2.4 in

Other: Prepubertal: No sexual development (Adrenarch)

Question 2

Stage 2 (approx ages 8-14)

Answer 2

Breast: Breast buds palpable
Enlarged areola

Pubic hair: Sparse, slightly pigmented

Height velocity/yr: 2.8-3.2 in

Other: Breast budding
Body odor
First pubic hair
Height spurt
Clitoral enlargement
Labia pigmentation

Question 3

Stage 3 (approx ages 9-15)

Answer 3

Breast: Mammary extends beyond edge of aerola

Pubic hair: coarser, darker, curled

Height velocity/yr: 3.2 in

Other: Breast enlarge
Pubic hair darkens/becomes curlier
Vaginal discharge
Acne
Underarm hair

Question 4

stage 4 (approx ages 10-16)

Answer 4

Breast: Nipple mound stacked on areola mound

Pubic Hair: adult type, but not beyond pubic area

Height velocity/yr: 2.8 in

Other: First menstruation
Nipple is distinct from areola

Question 5

stage 5

Answer 5

Breast: Integral nipple mound

Pubic Hair: Adult type, spreading onto inner thigh

Height velocity/yr: final height reached at age 16

Other: Fully mature female
Pubic hair extends to inner thighs
Increases in height slow, then stop
Adult genitals