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
Half life of Cu-T 380A is: March 2012 
Select and explain. 
A. 2 years, B. 3 years, C. 5 years, D. 10 years
D: 10 years
Answer: D: 10 years 
Explanation: Ans: D i.e. 10 years Half life of IUCD Nova T has silver added to the copper wire thereby increasing its lifespan to 5 years Copper T 380A known as Paraguard has a lifespan of 10 years