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': 'The following statements are related to PPH except: \nSelect and explain. \nA. It is always a preventable condition, B. Atonicity of the uterus is the commonest cause, C. Intravenous ergometrine with the delivery of the anterior shoulder is a prophylaxis, D. Blood loss during ceaseran section exceeds the quantitative definition of PPH', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]