This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Heart, Circulation, and Blood, Subject name: Physiology
During the following procedure, optimum interval between uterine incision and delivery should be less than ______ seconds. 
Select and explain. 
A. 30 seconds, B. 45 seconds, C. 60 seconds, D. 90 seconds
D: 90 seconds
Answer: D: 90 seconds 
Explanation: Ans. D 90 secondsRef: Datta, 8th ed. pg. 673The image shows LSCS being performed, with the head being delivered by hooking fingers carefully between the lower uterine flap. The head is delivered by elevation and flexion using the palm as fulcrum and the optimum time between the uterine incision and delivery should be less than 90 seconds.