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': "True statement regarding 'at risk baby':September 2009 \nSelect and explain. \nA. Bih weight less than 2.75 kg, B. Weight less than 70% of the expected weight, C. Bih order more than 3, D. Ist degree malnutrition", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. B: Weight less than 70% of the expected weightThe basic criteria for identifying 'at risk' babies include:Bih weight less than 2.5 kg.TwinsBih order 5 and moreAificial feedingWeight below 70% of the expected weight (II and III degrees of malnutrition)Failure to gain weight during three successive monthsChildren with diarrhea, PEMWorking mother/ one parent", 'role': 'assistant'}]