This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New born infants, Subject name: Pediatrics
A very low bih weight (VLBW) baby is one whose bih weight is less than ____ Kg 
Select and explain. 
A. 1, B. 1.5, C. 2, D. 2.5
B: 1.5
Answer: B: 1.5 
Explanation: Very Low Bih Weight (VLBW) baby is one whose bih weight is <1.5Kg. They are often premature (<37 weeks of gestation) Low Bih weight (LBW) baby is one whose bih weight is <2.5Kg ELBW (Extremely low bih weight) baby is one whose bih weight is <1Kg Ref: Nelson textbook of pediatrics 21st edition Pgno: 867