Levonorgestrel Intrauterine System:
Mirena
n Releases 20 g of
levonorgestrel per 24 hrs
n Duration: 5 years
n Packaged with sterile inserter
n High efficacy
n Pearl Index of 0.1
(This is a schematic and is not
anatomically proportional.)
Lahteenmaki P, et al. Steroids. 2000;65:693-697.