This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraceptives, Subject name: Gynaecology & Obstetrics
Dose of levonorgestrel used for emergency contraception:- 
Select and explain. 
A. 0.75 mg within 72 hours, B. 1.5 mg within 72 hours, C. 1.5 ug within 72 hours, D. 3 ug within 72 hours
B: 1.5 mg within 72 hours
Answer: B: 1.5 mg within 72 hours 
Explanation: Levonorgestrel is Doc for emergency contraception 0.75 mg tablets ( 2 tablets) 12 hrs apa. 1.5 mg tablet ( 1 tablet ) within 72 hrs. This is the only method of emergency contraception approved for use by Drug Controller of India Note:- IUCD - used up to 5th day after intercourse.