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
A patient was placed on depot medroxy progesterone acetate. She now complains of irregular spotting. All of the following can be a treatment option except 
Select and explain. 
A. Add combined OCPs for 4 weeks., B. Give Mefenamic acid for 1 weeks., C. Give premarin for 4 weeks., D. Place progestin -  only implant.
D: Place progestin -  only implant.
Answer: D: Place progestin -  only implant. 
Explanation: DMPA or Progestin implants both being progesterone preparations cause AUB.