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
Most preferable contraceptive device for a female suffering from Rheumatic Hea Disease who has completed her family is : 
Select and explain. 
A. IUCD, B. Tubal ligation, C. Norplant, D. Barrier method
B: Tubal ligation
Answer: B: Tubal ligation 
Explanation: Tubal ligation