This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth and development, Subject name: Pediatrics
Moro reflex disappears at ________ 
Select and explain. 
A. 3 months, B. 5 months, C. 6 months, D. 7 months
C: 6 months
Answer: C: 6 months 
Explanation: Moro reflex is elicited by sudden dropping of baby&;s head in relation to trunk. The response consists of opening of hands, extension and abduction of upper extremities, followed by anterior flexion of upper extremities with audible cry. Assymetric Moro reflex is seen in Erbs paralysis. Ref- Ghai, 9th edition Chapter 9