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': 'Active management of third stage of labour includes all of the following except: \nSelect and explain. \nA. Oxytocin injection, B. Ergometrine injection, C. Controlled cord traction, D. Gentle massage of uterus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]