Gynaecology & Obstetrics General 19b7816e Mirena is a A Progesterone IUCD B Antiprogesterone C Used in abortions D Hormonal implant High-Yield Explanation LNG-IUS or Mirena It is a levanorgestrel releasing device It contains about 52 mg of levanorgestrel released at a rate approximately 20 microgram per day