Mirena (levonorgestrel-releasing intrauterine system) is a convenient, innovative and highly effective (more than 99 percent) method of contraception that lasts up to five years, or until removed. Now FDA approved, Mirena has been available for more than 10 years in Europe and used by approximately two million women worldwide.

This page displays best on browsers supporting current Web standards, but all content is viewable through any Web device. Intrauterine Devices Overview Characteristics (table) Key issues Overview Intrauterine devices (IUDs) are small flexible devices made of metal and/or plastic that prevent pregnancy when inserted into a woman's uterus through her vagina. The most widely used IUDs are ...