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': "All are the contraindications for vaginal birth after previous caesarean except: \nSelect and explain. \nA. Previous classical uterine incision, B. Previous lower segment transverse caesarean, C. Presence of inverted 'T' shaped uterine incision, D. Where facilities for emergency caesareans are not available", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Previous 2 LSCs and not a single one is a C/I for VBAC.', 'role': 'assistant'}]