The interspinous diameter and the transuerse diameter of the pelvic inlet of sixty-five Korean women .Aged from 20 to 50 were measured through the Hadges and Dippel´s method of Roentgen pelvimetry, and the following results were obtained.
1, The average length of interspinous diameter was 99.97 0.94mm.
2, The average length of transverse diameter of the pelvic inlet was 103.50?0.92mm.
3. The coefficient of correlation between the interspinous diameter and the transverse diameter of the pelvic inlet was 0.51, and it show relatively high relationship.
4. Transverse diameter of the pelvic inlet was greater than interspinous diameter by 23.44 0.82mm
5. The frequency of median type was greatest among the various type of ischial spire, sharp type,blunt type, median type and hammer type.
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