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
Which of the following is not a contraindication of vaginal delivery after previous cesarean section (CS)? 
Select and explain. 
A. Previous Classical C/S, B. No Vaginal delivery in the past, C. Breech presentation, D. Puerperial infection in previous pregnancy
C: Breech presentation
Answer: C: Breech presentation 
Explanation: 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