This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Social & Preventive Medicine
Which of the following cannot be used as Post-coital contraceptive? 
Select and explain. 
A. Danazol, B. CuT 200, C. RU 486, D. High dose estrogens
A: Danazol
Answer: A: Danazol 
Explanation: 87 Danazol is not an emergency contraceptive. Post coital contraceptive/ emergency contraceptive- Used after intercourse Combined OCPs - used within 72 hours Progesterone only pills - used within 72 hours IUD - used within 5 days RU 486( mifepristone) - used within 72 hours High dose estrogen - used within 5 days