This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Clinical findings suggestive of adequacy of pelvis for vaginal delivery are all except? \nSelect and explain. \nA. Diagonal conjugate > 11.5 cm, B. Interspinous diameter > 8 cm, C. Sacrosciatic notch 2.5 - 3 finger breadths, D. Bituberous diameter > 8 cm', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Interspinous diameter > 8 cmClinical findings suggestive of adequacy of pelvis for vaginal delivery are:Findings indicating adequate pelvisForepelvis (pelvic brim)RoundDiagonal conjugate11.5 cmSymphysisAverage thickness, parallel to sacrumSacrumHollow, average inclinationSide wallsStraightIschial spinesBluntInterspinous diameter10.0 cmSacrosciatic notch2.5-3 finger - breathsBituberous diameter4 knuckles (> 8.0 cm)CoccyxMobileAnterposterior diameter of outlet11.0 cm", 'role': 'assistant'}]