The Positives of The Intrauterine System (IUS)
The combination of the installation within the uterus and the release of the hormone progestogen help to make the IUS one of the most reliable forms of contraceptive with an effectiveness of roughly 99% when used and fitted correctly. It also represents a long term solution to birth control with the potential for the Mirena device to work effectively for around five years before any replacement is required. Use of the IUS eradicates the need for strict adherence to a programme of pills. Use of the IUS also ensures that the spontaneity of the build up to intercourse is maintained. In the long term, the device also offers relief from heavy periods making them lighter, often pain free, briefer and over time leading to an eradication of periods altogether. Once fitted, the Mirena device also offers immediate contraceptive protection. Additionally, if a patient wishes to come off this form of contraception, upon removal, fertility immediately returns to its previously normal rate. Because the device is confined to the uterus rather than linked directly to the bloodstream, the risk of side effects from the progestogen hormone is reduced.