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
In cryptorchism histological changes appear in testis 
Select and explain. 
A. 4 months, B. 6 months, C. 8 months, D. 1 year
B: 6 months
Answer: B: 6 months 
Explanation: Answer- B. 6 months