This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Which of the following is not used as an emergency contraceptive? 
Select and explain. 
A. Oral LNG, B. LNG- Intrauterine device, C. CuT-Intrauterine device, D. Oral Mifepristone
B: LNG- Intrauterine device
Answer: B: LNG- Intrauterine device 
Explanation: None