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Objective: We sought to determine clitoral size in normal women and the possible effect of age, height, weight, parity, and oral contraceptive (OC) use.

Methods: Prospective measurement was made of clitoral dimensions in 200 consecutive normal women at routine gynecologic examination in an office setting.

Results: The mean ( /- standard deviation) transverse diameter of the glans clitoris was 3.4 /- 1.0 mm. The longitudinal diameter of the glans was 5.1 /- 1.4 mm. Total clitoral length including glans and body was 16.0 /- 4.3 mm. The mean clitoral index was 18.5 mm2. Measurements of all diameters were normally distributed. Age, height, weight, or current use of OCs did not influence clitoral size, but parous women had significantly larger measurements.

Conclusions: It is possible to obtain useful clitoral measurements in the office setting. Parity influences clitoral size, but age, height, weight, and OC use do not.

(C) 1992 The American College of Obstetricians and Gynecologists