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': "Blood in urine in a patient in labour, with history of previous LSCS, diagnosis is:aEUR' \nSelect and explain. \nA. Impending scar rupture, B. Urethral injury, C. Obstructed labour, D. Cystitis", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Obstructed labour /Ref. Dutta 6th/c p 405]', 'role': 'assistant'}]