This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Gynaecology & Obstetrics
What is the dose of mifepristone in emergency contraception? 
Select and explain. 
A. 100 mg, B. 200 mg, C. 25 mg, D. 200 mcg
C: 25 mg
Answer: C: 25 mg 
Explanation: Mifepristone is a highly effective and well-tolerated emergency contraceptive when given in a single dose of 15-50 mg within 72 h of unprotected coitus.