Contraceptive LNG - IUD (levonorgesterel intra - uterine device) has the cumulative pregnancy rate at 5 yrs of :
Ans. is a i.e. 0.5 LNG - IUD has a pregnancy rate of 0.2 per 100 women years (HWY) (here nearest is 0.5 so that is the answer). CuT 380A has cumulative pregnancy rate after 7 years is 1.5 per 100 women years (HWY) and after 12 years 1.9 per 100 women years (HWY).
0.5
1
1.5
2