Contraceptive LNG-IUD (levonorgestrel intra-uterine device) has the cumulative pregnancy rate at 5 years of:
0.5
1
1.5
2
Ans. is a, i.e. 0.5Ref: Leon Speroff 7th/ed, p981LNG - IUD has a pregnancy rate of 0.2 100 women years (HWY) (here nearest is 0.5 so that is the answer).
Contraceptives