Stage 1
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Elevation of papilla only.
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No pubic hair.
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Stage 2
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Elevation of breast and papilla as small mound, areola diameter enlarged. Median age: 9.8
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Sparse, long, pigmented hair, along labia majora. Median age: 10.5
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Stage 3
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Further enlargement without separation of breast and areola. Median age: 11.2
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Dark, course, curled hair sparsely spread over mons. Median age: 11.4
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Stage 4
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Secondary mound of areola and papilla above the breast. Median age: 12.1
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Adult type hair, abundant but limited to mons.
Median age: 12
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Stage 5
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Recession of areola to contour of breast. Median age: 14.6
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Adult type spread in quantity and distribution.
Median age: 13.7
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