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
Drugs used in emergency contraception are all except : 
Select and explain. 
A. Levonorgestrel, B. Estrogen + progesterone, C. Danazol, D. Mifepristone
C: Danazol
Answer: C: Danazol 
Explanation: Danazol is not used as an emergency contraceptive. It is used in the medical treatment of endometriosis. OXFORD HANDBOOK OF OBSTETRICS AND GYNAECOLOGY THIRD EDITION PAGE NO 587