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': 'Incidence of scar rupture in a pregnant lady with previous LSCS is : \nSelect and explain. \nA. 0.20%, B. 0.50%, C. 0.70%, D. 0.90%', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 0.20%', 'role': 'assistant'}]