This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraception, Subject name: Gynaecology & Obstetrics
[{'content': 'Ideal contraceptive for newly married couple is : \nSelect and explain. \nA. Barrier method, B. Combined OCP(hormonal), C. IUCD, D. emergency contracepton', 'role': 'user'}, {'content': "Answer: B \nExplanation: Three-monthly injections or implants, skin patches and vaginal rings may be acceptable to young married adolescents, and side effects tolerated. Reference: Shaw's Textbook of Gynaecology,16th edition, page 285", 'role': 'assistant'}]