TABLE 3.

The Tanner stages of puberty in females.

Tanner stage	Description
I	Preadolescent
II	Breast budding; early labial hair growth
III	Increased breast size with palpable glandular tissue; no separating of breast contours; moderately dark coarser labial hair over mons pubis
IV	Further enlargement of breasts with projection of areola above breast plane; lateral spread of pubic hair
V	Adult breast size and pubic hair distribution

Typical stages of puberty in girls are defined according to breast development and distribution of pubic hair. Adapted from Swerdloff and Odell (1975).