This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
The total fetal cardiac output at term is estimated to be ______? 
Select and explain. 
A. 150 mL/Kg body weight, B. 250 mL/Kg body weight, C. 350 mL/Kg body weight, D. 450 mL/Kg body weight
D: 450 mL/Kg body weight
Answer: D: 450 mL/Kg body weight 
Explanation: The total fetal cardiac output is approximately 450 mL/Kg/min. Approximately 65% of descending aoic blood flow returns to the placenta, and hence, only the remaining 35% perfuses the fetal organs and tissues. Ref: Nelson textbook of pediatrics 21st edition Pgno: 9260