This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraceptives, Subject name: Gynaecology & Obstetrics
IUCD having the longest life span is 
Select and explain. 
A. Progestase, B. Cu T 380A, C. Mirena, D. Nova T
B: Cu T 380A
Answer: B: Cu T 380A 
Explanation: The time periods for replacement for various IUDs are: - Copper T 200:3years- Multiload Cu 250:3 years - Multiload Cu 375: 5 years- LNG-IUS/Mirena : 5 years- Cu T 380A : 10 years ( also known as Paraguard)- Nova : 3years - Progestase : 1 years