The Tanner Stages (Girl)
The Tanner Stages (Girl)
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Tanner stages (Girl)
In young women, the Tanner stages for breast:
development are as follows (Fig. 9-24, C):
• Stage I (Preadolescent) - Only the papilla is elevated above
the level of the chest wall.
• Stage II - (Breast Budding) - Elevation of the breasts and
papillae may occur as small mounds along with some
increased diameter of the areolae.
• Stage III - The breasts and areolae continue to enlarge,
although they show no separation of contour.
• Stage IV - The areolae and papillae elevate above the level
of the breasts and form secondary mounds with further
development of the overall breast tissue.
• Stage V - Mature female breasts have developed. The
papillae may extend slightly above the contour of the
breasts as the result of the recession of the aerolae.
Pubic hair growth in females:
• Stage I (Preadolescent) - Vellos hair develops over the pubes in a manner not greater than that over
the anterior wall. There is no sexual hair.
• Stage II - Sparse, long, pigmented, downy hair, which is straight or only slightly curled, appears. These
hairs are seen mainly along the labia. This stage is difficult to quantitate on black and white
photographs, particularly when pictures are of fair-haired subjects.
• Stage III - Considerably darker, coarser, and curlier sexual hair appears. The hair has now spread
sparsely over the junction of the pubes.
• Stage IV - The hair distribution is adult in type but decreased in total quantity. There is no spread to
the medial surface of the thighs.
• Stage V - Hair is adult in quantity and type and appears to have an inverse triangle of the classically
feminine type. There is spread to the medial surface of the thighs but not above the base of the
inverse triangle.
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