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
Implanon contains - 
Select and explain. 
A. Desonorgestrol, B. Ethinyl estradiol, C. L-norgestrol, D. None
A: Desonorgestrol
Answer: A: Desonorgestrol 
Explanation: Implanon is a single rod implant.
This single rod offers a significant advantage in that it is considerably easier to both insert and remove.
The rod is supplied in a sterile disposable applicator and insertion does not require a skin incision. Removal using a pop out’ technique is facilitated by the rigidity of the capsule.