Turner Syndrome Physical Features (Cont.)

Turner Syndrome Physical Features and Breast Development

One function of the ovaries is to release hormones that control breast development. Unknown genes on the X chromosome regulate the development and functions of the ovaries. Because of changes in the ovaries, some teenagers may undergo some breast development, but cease further development during the later teen years.
 

How Common Are Turner Syndrome Physical Features?

The table below lists possible Turner syndrome physical features and how frequently they occur:
 
Turner Syndrome Physical Features
Occurrence
Short stature
100%
Cubitus valgus
(increased carrying angle at elbow)
45%
Short metacarpals
(bones of fingers or knuckles)
35%
High arched palate
35%
Webbed neck
25%
Low posterior hairline
40%
Swelling of hands and/or feet
20%
A distinctive type of nail curvature
12%
Pigmented nevi
(colored spots on skin)
25%

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Written by/reviewed by: Arthur Schoenstadt, MD
Last reviewed by: Arthur Schoenstadt, MD