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': 'Risk of rupture of uterus with previous classical caesarean section is: March 2011 \nSelect and explain. \nA. 0.5-1.5%, B. 2-4%, C. 4-8%, D. 8-16%', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: 4-8% Classical caesarean section carries more risk of scar rupture (4-8%) Scar rupture in lower segment CS is less (0.5-1.5%)', 'role': 'assistant'}]