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
Small for date baby is - 
Select and explain. 
A. < 10 percentile for that gestational age, B. < 50 percentile for that gestational age, C. <2000gm, D. <2500 gm
A: < 10 percentile for that gestational age
Answer: A: < 10 percentile for that gestational age 
Explanation: According to WHO , small for date baby is defined as less than 10th percentile for the gestational age Reference Park&;s textbook of preventive and social medicine 23rd edition pg 536