Levonorgestrel 52-mg Intrauterine Device Efficacy and Safety After More Than 8 Years of Use

Beatrice A Chen1, Thomas Kimble, Lisa H Harris

  • 1Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh/Magee-Womens Research Institute, Pittsburgh, Pennsylvania; the Department of Obstetrics and Gynecology, Eastern Virginia Medical School, Norfolk, Virginia; the Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan; and the Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, and Medicines360, San Francisco, and the Department of Obstetrics and Gynecology, University of California, Davis, Sacramento, California.

Abstract