Dosing information Usual Adult Dose for Contraception: Intrauterine Device IUD insertion should be performed by a trained healthcare provider thoroughly familiar with product; product manufacturer labeling should be consulted: Insert 1 Mirena IUD 52 mg into uterus Timing of insertion: -For women who are not currently using hormonal or intrauterine contraception: Insertion may occur at any time the woman is not pregnant; if inserted after the first 7 days of menstrual cycle, an additional method of contraception should be used for 7 days after insertion -Switching from an oral, transdermal, or vaginal hormonal contraceptive: Insertion may occur at any time; if inserted during the hormone phase, continue use for 7 days after insertion or until the end of the current treatment cycle -Switching from an injectable progestin contraceptive: Insertion may occur at any time; if inserted more than 3 months after the last injection, an additional method of contraception should be used for 7 days after insertion -Switching from a contraceptive implant or another IUD: Insertion should occur on the same day the implant or IUD is removed -Inserting after abortion or miscarriage: --First trimester: May insert IUD immediately after a first trimester abortion or miscarriage --Second trimester: Insertion of IUD should be delayed a minimum of 4 weeks or until the uterus is fully involuted; if involution is delayed, insertion should be delayed until involution is complete; consider the possibility of ovulation and conception occurring prior to insertion and advise patient on need for an additional method of contraception for 7 days after insertion -After childbirth: Insertion of IUD should be delayed a minimum of 4 weeks after delivery, or until the uterus is fully involuted; if involution is delayed, insertion should be delayed until involution is complete; consider the possibility of ovulation and conception occurring prior to insertion and advise patient on need for an additional method of contraception for 7 days after insertion Replacement: Mirena should be replaced after 6 years; a new IUD may be inserted for continued use.