This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: obstetrics,pediatrics and geriatrics, Subject name: Social & Preventive Medicine
[{'content': "Not true about breast milk is ? \nSelect and explain. \nA. Maximum output is seen at 12 month, B. Breast milk protein is a reference protein, C. Calcium utilization from breast milk is more than cow's milk, D. Coefficient of absorption of iron is 70%", 'role': 'user'}, {'content': "Answer: A \nExplanation: Maximum output of milk is seen in 5-6month which is about 730ml.REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 489", 'role': 'assistant'}]