Smallest diameter of pelvis is?
Interspinous diameter REF: Clinical Obstetrics 10th edition by S. Gopalan, Sarala & Jain, Vanita Page 4, Manual of Obstetrics, 3e by Shirish N Daftary Page 11-12, Manual Of Obstetrics (2Nd Edition) by Daftary Page 16-18 "Interspinous diameter (transverse diameter of midpelvis = 10 cm or somewhat more) is the smallest diameter of pelvis" REF: Williams's obstetric 22nd edition page 34
Interspinous diameter
True conjugate
Diagonal conjugate
Inteuberous diameter