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': 'Absolute contraindications to the use of combined oral contraceptives include the following, except : \nSelect and explain. \nA. Porphyria, B. Cerebral haemorrhage, C. Previous herpes genitalis, D. Past history of trophoblastic disease', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Previous herpes genitalis', 'role': 'assistant'}]