Adolescent Health
Table 1. Sexual Maturity Rating for Girls and Boys
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table of contents | references | test

Female

SMR

Male

Breast Pubic Hair
Testes and Scrotum Penis Pubic hair
No development No pubic hair 1 Testicular volume - less than 1.5ml Childlike None
Breast bud, areola widens Long, slightly pigmented, straight hair along labia 2 Testicular volume 1.6 - 6ml, scrotum reddened, thinner, larger No change Light, downy hair laterally
Breast larger, more elevation

Extends beyond areolar parameter

Increased in quantity, darker, more curly and, coarser present in typical female triangle 3 Testicular volume 6-12ml, scrotum - great enlargement Increased length Extended across pubis
Breast larger and more elevation

Areola and papilla form a mound projecting from the breast contour

Hair more dense, curled and adult in distribution but in a smaller quantity 4 Testicular volume 12-20ml, Scrotum - further enlargement and darkening Increased length and circumference More abundant with curling
Breast adult appearance

Areola and breast in same plane, with papilla projecting above areola

Abundant, adult-type pattern

Hair extends to medial aspect of thigh

5 Testicular volume >20 ml Scrotum - adult appearance Adult appearance Adult quantity and distribution with hair present on inner thighs

*Ratings for each developmental characteristic may differ in the same individual at one point in time (Tanner, 1962)


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