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': 'Increased demand of following occurs In pregnancy except : \nSelect and explain. \nA. Folic acid, B. Iron, C. Vit B 12, D. Zinc', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is c i.e. Vitamin B12 Demand of most of the nutrients (macro and micro) increase during pregnancy but there are a few micronutrients whose demands are not increased (or just marginally increased) I Vitamin A * Vitamin C * Vitamin B12deg * Thiamine Riboflavin * Nicotinic acid * Pyridoxine', 'role': 'assistant'}]