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 amount of blood loss during each menstrual period is : \nSelect and explain. \nA. 10 cc, B. 35 cc, C. 50 cc, D. 100 cc', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 35 cc', 'role': 'assistant'}]