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': 'Regarding removal of cervical cap, true is \nSelect and explain. \nA. Cervical cap should be left in place for entire cycle length, B. Cervical cap must be left in place for atleast 8 hours after intercourse, C. Cervical cap can be removed immediately and vaginal douching is done, D. Cervical cap should be left until the next menstruation starts', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Cervical cap must be left for\xa08 hours atleast to provide effective contraception.', 'role': 'assistant'}]