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': 'Which of the following is false regarding Mittelschmerz? \nSelect and explain. \nA. Treatment is with oestrogen, B. Rarely lasts > 12 hours, C. Spotting may be present, D. Usually occurs around the 14th day of menstrual cycle', 'role': 'user'}, {'content': "Answer: A \nExplanation: Mittelschmerz is painful ovulation and no treatment is required apa from explanation and reassurance. Ref: Shaw's Textbook of Gynaecology, 12th Edition, Page 229.", 'role': 'assistant'}]