This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Aboions, Spontaneous & Induced Emergency Contraception (Hey,whats the hurry !), Subject name: Gynaecology & Obstetrics
Progesterone of choice in emergency contraception: 
Select and explain. 
A. Micronized progesterone, B. Norgesterone, C. Levonorgestrel, D. DMPA
C: Levonorgestrel
Answer: C: Levonorgestrel 
Explanation: Levonorgestrel is the best progesterone of choice for emergency contraception with least side effects.