Hormonal intrauterine releasing system Mirena and hormonal therapy are the links of the same chain
The present article is concerned with the history of the creation of intrauterine contraceptive devices; gormono-relising intrauterine system (IUS), which include the Navy, containing levonorgestrel (LNG) - "Mirena" became the third generation. The authors discussed the mechanisms of LNG-IUS contraceptive action, contraceptive efficacy, therapeutic properties, and side effects. It is emphasized that LNG-IUS administration is feasible as the progestin component of hormone replacement therapy.

Keywords: hormonal replacement therapy, levonorgestrel, hormone-releasing intrauterine systems, intrauterine contraceptives