This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
[{'content': 'Mode of contraception that should be avoided in epilepsy is \nSelect and explain. \nA. Oral contraceptive pills, B. Condoms, C. Intrauterine contraceptive devises, D. Post-coital pills', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Antiepileptic drugs such as phenytoin,carbamazepine,phenobarbitone are enzyme inducers which when used with oral contraceptives can cause its failure. (Ref.Essentials of medical pharmacology TD Tripathi 7th edition Page no.326)', 'role': 'assistant'}]