This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraception, Subject name: Gynaecology & Obstetrics
Emergency contraceptive of choice is : 
Select and explain. 
A. OCP, B. Danazol, C. Levonorgestrel, D. Mifepristone
C: Levonorgestrel
Answer: C: Levonorgestrel 
Explanation: Levonorgestrol can be used as a single dose, can be given upto 120hrs following unprotected intercourse and no estrogenic side effects