Girls going through a series of stages as puberty progresses.
Sites of pubertal development in girls:
(1) breasts
(2) pubic hair
(3) menarche
Breast Stage
Glandular Tissue
Areola
I
none
follows skin contours
II
breast buds with small area of surrounding glandular tissue
begins to widen
III
breast becomes more elevated and extends beyond areola
continues to widen, remains in contour
IV
increased size and elevation
secondary mound projecting from contour
V
final adult size
returns to contour of breast with projecting central papilla
from Marshall and Tanner, page 291
Pubic Hair Stage
Features
small amount of long, downy hair
more coarse, dark and curly, extends laterally
adult type, extends across pubis but spares medial thighs
adult type, extends to medial surface of the thighs
from Marshall and Tanner, page 292
Tanner Stage
Low Age
High Age
breast II
8.8
13.5
breast III
10
14.4
breast IV
10.8
15.5
breast V
11.8
18.8
pubic hair II
9.2
14.0
pubic hair III
10.2
14.7
pubic hair IV
15.2
pubic hair V
12.2
16.5
menarche
11.4
15.6
from Marshall and Tanner, Figure 3 page 294.
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Specialty: Pedatrics, Obstetrics & Gynecology, Urology
