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
To avoid conception, DMPA is given 
Select and explain. 
A. Monthly, B. Yearly, C. 6 Monthly, D. 3 Monthly
D: 3 Monthly
Answer: D: 3 Monthly 
Explanation: None