Vaginal opening measurement in prepubertal girls
C. W. Goff, K. R. Burke, C. Rickenback and D. P. Buebendorf
Department of Pediatrics, Yale University School of Medicine, New Haven, Conn.
Normative, age-indexed data regarding the size of the vaginal opening in
prepubertal girls have not been previously reported, to our knowledge.
Measurement of the apparent transverse diameter of the vaginal opening was
done in 273 prepubertal girls as part of their routine health assessment.
Vaginal opening diameter tended to enlarge with age and to be larger in the
supine knee-chest position than in the supine frog-leg position. An opening
greater than 4 mm was distinctly rare.
