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': 'Which of the following is not a contraindication of vaginal delivery after previous cesarean section (CS)? \nSelect and explain. \nA. Previous Classical C/S, B. No Vaginal delivery in the past, C. Breech presentation, D. Puerperial infection in previous pregnancy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Vaginal bih after previous cesarean (VBAC) is usually successful in 60-80% of cases. Successful VBAC reduces postpaum morbidity, decreases the incidence of infection and blood transfusion and minimises the period of hospital stay. Ref: Practical Cases in Obstetrics and Gynecology By Kanan Yelikar, Pages 88-92; Dutta textbook of Obstetrics 6th edition, Pages 329-30', 'role': 'assistant'}]