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: Surgery
Invertogram is taken after - 
Select and explain. 
A. 2 hrs after birth, B. 4 hrs after birth, C. 6 hrs after birth, D. 8 hrs after birth
C: 6 hrs after birth
Answer: C: 6 hrs after birth 
Explanation: None