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
Diabetic woman with malignant retinopathy requires : 
Select and explain. 
A. Permanent sterilization, B. Conventional contraceptives, C. IU devices, D. Oral pills
C: IU devices
Answer: C: IU devices 
Explanation: IU devices