Kyleena IUD Does NOT Release Levonorgestrel After 7 Years
A Kyleena IUD must be removed by the end of the fifth year and does not provide contraceptive protection beyond this timeframe. After 7 years of insertion, the device has exceeded its FDA-approved duration and is no longer releasing therapeutic levels of levonorgestrel for contraception.
FDA-Approved Duration and Hormone Release
Kyleena is FDA-approved for only 5 years of use, after which it must be removed or replaced 1.
The levonorgestrel release rate from Kyleena decreases progressively over time: starting at approximately 17.5 mcg/day after 24 days, declining to 9.8 mcg/day after 1 year, and further decreasing to 7.4 mcg/day after 5 years 1.
The device contains a total of 19.5 mg of levonorgestrel, with an average in vivo release rate of approximately 12.6 mcg/day over the first year and 9.0 mcg/day over the 5-year period 1.
Clinical Implications at 7 Years
At 7 years post-insertion, the Kyleena IUD has been in place for 2 years beyond its approved lifespan. While the device may still contain residual levonorgestrel, the release rate has declined below therapeutic levels needed for reliable contraception.
Key Clinical Points:
No data supports contraceptive efficacy beyond 5 years for Kyleena 1.
This differs from other levonorgestrel IUDs: the 52-mg levonorgestrel IUD (Mirena) has data suggesting effectiveness up to 7 years, but Kyleena (13.5 mg) does not share this extended duration 2.
The device should have been removed by the end of year 5 to maintain contraceptive protection and can be replaced at that time if continued contraception is desired 1.
Immediate Action Required
Remove the Kyleena IUD immediately if it has been in place for 7 years, as:
- The patient has no reliable contraceptive protection from this device 1.
- Risk of unintended pregnancy exists if relying on this expired device.
- A new Kyleena or alternative contraceptive method should be offered at the time of removal 1.
Common Pitfall to Avoid:
Do not confuse Kyleena's 5-year duration with Mirena's potential 7-year effectiveness. Kyleena contains only 13.5 mg of levonorgestrel (versus Mirena's 52 mg) and is approved for only 3-5 years depending on the specific formulation, with Kyleena specifically approved for 5 years 2, 1.