Box 6.10
Tanner stages
| Female | |||
|---|---|---|---|
| Stage | Pubic hair development | Stage | Pubic hair development |
| 1 | Prepubertal. No breast tissue | 1 | Prepubertal |
| 2 | Areolar enlargement with breast bud | 2 | Testes enlarge (4ml); scrotum larger, reddened and sking coarser |
| 3 | Enlargement of breast and areola as single mound | 3 | Penis enlarges, initally in lenth. Continued growth of testes and scrotum |
| 4 | Projection of areola above breast as double mound | 4 | Penis grows in length and breadth;continued growth of testes and scrotum that becomes pigmented |
| 5 | Adult; papilla projects out of areola that is part of breast contour | 5 | Tests, scrotum and penis adult size |
| Both sexes | |||
| Stage | Pubic hair development | Stage | Pubic hair development |
| 1 | None | 4 | Small adult configuration |
| 2 | Few darker hairs along labia or at base of penis | 5 | Adult configuration with spread onto inner thighs |
| 3 | Curly pigmented hairs across pubes | 6 | Adult configuration with spread to linea alba |