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: Social & Preventive Medicine
Pearl index of male condom 
Select and explain. 
A. 14/HWY, B. 21/HWY, C. 5/HWY, D. 2/HWY
A: 14/HWY
Answer: A: 14/HWY 
Explanation: None