Mirena is a :
LNG-IUS or Mirena It is a levanorgestrel releasing device It contains about 52 mg of levonorgestrel released at a rate approximately 20 microgram per day THE TEXTBOOK OF GYNAECOLOGY; SHEILA BALAKRISHNAN; SECOND EDITION; PAGE NO 379.
Used in aboions
Anti progesterone
Progesterone IUCD
Hormonal implant
Contraception