This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraceptives, Subject name: Gynaecology & Obstetrics
The Failure rate of male condom is: 
Select and explain. 
A. 0.50%, B. 2-18%, C. 2-4%, D. 18-28%
B: 2-18%
Answer: B: 2-18% 
Explanation: Condoms are barrier method of contraception. Total condom failure rates (breakage and slippage rate combined) can range from 2 to 18 % Contraceptive efficacy of the male condom is enhanced appreciably by areservoir tip and by the addition of a spermicide. Such agents, as well asthose used for lubrication, should be water-based because oil-based productsdegrade latex condoms and diaphragms.