Tanner stageBreasts*StandardPubic hair*StandardGrowthOther
1Prepubertal, elevation of papilla onlyPrepubertal, villus hair onlyBasal: about 5.0 to 6.0 cm (2.0 to 2.4 in) per yearAdrenarche
Ovarian growth
2Breast bud appears under enlarged areola (11.2 years)Sparse growth of slightly pigmented hair along the labia (11.9 years)Accelerated: about 7.0 to 8.0 cm (2.8 to 3.2 in) per yearClitoral enlargement
Labia pigmentation
Uterus enlargement
3Breast tissue grows beyond areola without contour separation (12.4 years)Hair is coarser, curled and pigmented; spreads across the pubes (12.7 years)Peak velocity: about 8.0 cm (3.2 in) per year (12.5 years)Axillary hair (13.1 years)
Acne (13.2 years)
4Projection of areola and papilla forms a secondary mound (13.1 years)Adult-type hair but no spread to medial thigh (13.4 years)Deceleration: < 7.0 cm (2.8 in) per yearMenarche (13.3 years)
Regular menses (13.9 years)
5Adult breast contour with projection of papilla only (14.5 years)Adult-type hair with spread to medial thigh but not up linea alba (14.6 years)Cessation at about 16 yearsAdult genitalia