Caldwell-Moloy pelvic classification /kôl″dwelməloi″/ [William E. Caldwell, American obstetrician, 1880–1943; Howard C. Moloy, American gynecologist, 1903–1953] , a system for classifying the structure of the bony pelvis of the female. The types in this system are android, anthropoid, gynecoid, and platypelloid. The sacrum, coccyx, sidewalls, sacrosciatic notch, ischial spines, pubic arch, and ischial tuberosities are the anatomical points of reference used to determine pelvic type. The classification system requires that a mixed pelvis be named for the character of its posterior section with the name of the type characterized by the anterior portion after a hyphen, as in a gynecoid-android pelvis. See also pelvic classification.
