Half lives of iucd

Important shelf-lives of contraceptives you need to know.
(Shelf-life is only important for IUDs)
1. Copper IUDs - 3-5 yrs
2. Progestasert - 1 year
3. CuT 200 - 4 years
4. Nova T - 5 yrs
5. LNG IUD - 7-10 yrs
6. CuT 380A - 10 yrs