This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: High-Risk Infant - Prematurity & Intrauterine Growth Restriction, Subject name: Pediatrics
SGA baby is one whose body weight is? 
Select and explain. 
A. Less than 10th percentile, B. Less than 80th percentile, C. <34 weeks gestational age, D. None of the above
A: Less than 10th percentile
Answer: A: Less than 10th percentile 
Explanation: ANSWER: (A) Less than 10th percentileREF: OP Ghai 7th ed p. 129Small for gestational age is a statistical definition which denotes an infant whose body weight is less than 10 percentile of the population norms.