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': 'Hormonal contraceptives have following benefit except \nSelect and explain. \nA. Increased bone density, B. Prevention of Atherogenesis, C. Decreased activity of Rheumatoid arthritis, D. Increase leucocyte count and immunity', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Providing immunity is not a benefit of hormonal contraceptives.', 'role': 'assistant'}]