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: Gynaecology & Obstetrics
[{'content': 'The progesterone of choice for emergency contraception is : \nSelect and explain. \nA. Norethisterone, B. Medroxyprogesteroneacetate, C. Levonorgesterel, D. Desogestrel', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is c i.e. Levonergesterol The progeserone of choice for emergency contraception is Levonorgesterel. Dose of Levonergesterol for emergency contraception= 0.75mg Adavntages It has no estrogenic side effects Can be given to hypeensive, cardiac and diabetic women. Can be given to lactating women Single dose therapy (i.e. 2 tablets taken as a single dose) can be given. It is contraindicated in women with H/O thrombophelebitis and migraine.', 'role': 'assistant'}]