Levonorgestrel Intra-Uterine Device
- IUSLevonorgestrel Intra-Uterine DeviceMirenaInserted into the uterus for five years of contraception
May cause pelvic inflammatory disease and uterine perforation
- Mechanism of Action
- Thickens cervical mucus, resulting in reduced sperm penetration through the cervix. Less of an effect on follicular development and prevention of ovulation than combined contraceptives.
- Adverse Effects