In reviewing my work in pelvic measurements in the past five years, some general impressions were borne in on my mind relative to the frequent causes of deformities in the cases handled and the not infrequent difficulty encountered in the normal pelvis, which moved me to take some notes in regard to childhood, puberty, family and general habits, to verify, if possible, the impressions left by my daily work.
The cases in which sufficient notes have been taken to permit of an accurate report are those personally attended by me, though often assisted by medical students and internes, and are made up of private and dispensary cases in about equal numbers. Seventy-three have been attended in their homes and 77 in the hospital, 150 cases being considered.
In studying the pelvic measurements in this series of cases a diagonal conjugate of 11.5 cm. or over has been considered a normal
DAVIS EV. A STUDY OF THE BONY PELVIS IN ONE HUNDEED AND FIFTY CASES. JAMA. 1905;XLV(23):1709–1710. doi:10.1001/jama.1905.52510230009001b
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