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
All of the following are postcoital contraception methods except- 
Select and explain. 
A. Mifepristone, B. IUD, C. Levonorgestrol, D. Barrier methods
D: Barrier methods
Answer: D: Barrier methods 
Explanation: Ans. is 'd' i.e., Barrier methods