This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Emergency Contraception - Ulipristal acetate (UPA), Subject name: Gynaecology & Obstetrics
Anti progesterone is RU-486 is also called? 
Select and explain. 
A. Mifeprestone, B. Gossypol, C. Centchroman, D. Misoprostol
A: Mifeprestone
Answer: A: Mifeprestone 
Explanation: ANSWER: (A) MifeprestoneREF: Shaw 13th ed p. 233RU-486 is other name of mifeprestone