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
True statement regarding 'at risk baby': September 2009 
Select and explain. 
A. 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
B: Weight less than 70% of the expected weight
Answer: B: Weight less than 70% of the expected weight 
Explanation: Ans. B: Weight less than 70% of the expected weight The basic criteria for identifying 'at risk' babies include: Bih weight less than 2.5 kg. Twins Bih order 5 and more Aificial feeding Weight below 70% of the expected weight (II and III degrees of malnutrition) Failure to gain weight during three successive months Children with diarrhea, PEM Working mother/ one parent