Efficacy of the levonorgestrel intrauterine system in treating menorrhagia: actualities and ambiguities.

Objective: To review the literature on usage of the levonorgestrel intrauterine system (LNG IUS) in women with fibroids or adenomyosis in an attempt to develop a pragmatic approach when faced with enlarged uteri.

Data Sources: Computerised searches of MEDLINE and EMBASE up to December 2000. Some of the information was obtained from references listed in the primary sources and references already known to the authors.