Extended Use of Long-Acting Reversible Contraception
- Long-acting reversible contraception (LARC) includes intrauterine devices (IUDs) and the etonogestrel implant (under the skin). Both are highly effective methods of contraception (birth control).
- These devices are currently approved by the U.S. Food and Drug Administration FDA) for 3-10 years, after which they are to be replaced.
|Content||Brand Name||FDA-approved duration|
|Copper 380 mm2||Paragard||10|
|Levonorgestrel* 52 mg IUD||Mirena |
|Levonorgestrel* 19.5 mg IUD||Kyleena||5|
|Levonorgestrel* 13.5 mg IUD||Skyla||3|
|Etonogestrel* 68 mg subdermal implant||Nexplanon||3|
- We will use the abbreviation IUD throughout this summary to refer to intrauterine devices.
- This patient summary focuses on the continued use of these devices beyond their FDA-approved duration.
- These contraceptives are effective beyond their FDA-approved duration.
- The copper IUD has proved effective for 16 years in 8 women.
- Effect up to 15 years has been shown for the higher dose devices.
- Experience with lower doses is limited, but the effect of inert IUDs (without hormones) has been 98% for extended durations.
- The etonogestrel implant appears to retain its effectiveness for 5 years.
- Your weight does not affect the effectiveness of an IUD, although experience with very obese women is limited.
- Menstrual bleeding is often diminished during extended use of any of the hormonal devices.
- Extended use may increase the difficulty of removing your IUD.
- Some other medicines may be affected by hormonal devices.
- Your doctor will discuss risks and benefits and answer any questions you have before deciding on a contraceptive method that best suits you.
- FDA: Food And Drug Administration
- IUD: Intrauterine Device
- LARC: Long-acting Reversible Contraception