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: Pediatrics
True statement about IUGR is - 
Select and explain. 
A. Hepatomegaly is due to fatty infiltration, B. Head circumference is 3 cm more than chest circumference, C. Hyaline membrane disease is a common cause of death, D. Hypothermia does not occur due to good shivering mechanisms
B: Head circumference is 3 cm more than chest circumference
Answer: B: Head circumference is 3 cm more than chest circumference 
Explanation: Ans. is 'b' i.e., Head circumference is 3 cm more than chest circumference IUGR is synonymous with small for gestational age infants ? Malnourished small for dates (Commonest variety of IUGR infants) some impoant features are - o The difference in the head and chest circumferences is more than 3 cm. o Internal organs like Liver, thymus and lungs are shrunken, although pulmonary alveoli appear mature. (i.e. No Hepatomegaly) o Pulmonary alveoli are mature; patient is not premature but only LBW or SFD --> No ARDS