Intra Uterine Device (IUD) are plastic or metal object which are used for birth control. An intrauterine device, releasing approximately 20 microgram/day of levonorgestre (LNg 20), used by 1124 womens.
These are non-medicated IUD and hormonal releasing IUD.LNG−20 is a hormonal releasing IUD which release approximately zoma of levonorgestrol per day. While Cu−T,Cu−7 and multiload-375 are nonmedicated IUDs.