This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'IUCD is made up of - \nSelect and explain. \nA. Nickel, B. Strontium, C. Copper, D. Polyethylane', 'role': 'user'}, {'content': "Answer: D \nExplanation: park's textbook of preventive and social medicine 23rd edition. *The 1st generation IUD comprises the ine or non medicated devices usually made up of poly ethylene or other polymer.They appear in different shapes loops ,spirals,coils and rings .lippes loop is most commonly used.2nd generation IUDs are made by adding copper to the IUDs.", 'role': 'assistant'}]