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: Social & Preventive Medicine
[{'content': 'Energy requirement in late pregnancy – \nSelect and explain. \nA. 2500 cal, B. 1400 cal, C. 1000 cal, D. 500 cal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Energy requirements in women (kcal/day) :-\nSedentary work →1900\nModerate work → 2230\nHeavy work → 2850\nPregnancy → +350\nLactation →+ 600 (0-6 months) and + 520 (6-12 months)', 'role': 'assistant'}]