<prompt> False statement about Mirena is :Progestrone containing lUCDContain desogestrolUsed in hormone replacement therapyDecreases menstural blood flow  <response>: It is a levanorgestrel releasing device which contains about 52 mg of levanorgestrel released at a rate approximately 20 microgram perday. THE TEXTBOOK OF GYNAECOLOGY SHEILA BALAKRISHNAN SECOND EDITION PAGE NO 379 