Mirena English

This long-acting contraceptive is an intrauterine device (IUD) that slowly releases levonorgestrel, a manufactured hormone similar to progesterone. The hormone helps suppress ovulation, thicken cervical mucous to inhibit sperm mobility, and reduce endometrial growth, all helping to reduce the chance of pregnancy with more than 99% effectiveness. The device can help reduce the chance of unwanted pregnancy for five years but can be removed at any time.