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Hormonal Coils
The Mirena IUS (intrauterine system), also known as a hormonal coil, is used by many of our patients.
We want to share some important updates regarding its use. Since 2024, the licence for the Mirena IUS has been extended:
- Contraception: If you had the Mirena fitted before age 45, it can now remain in place for up to 8 years. If you had it fitted at age 45 or older, you can keep it until age 55.
- HRT (Hormone Replacement Therapy): If you’re using the Mirena for HRT, it can still be used for up to 5 years.
When you had your coil fitted, you should have been provided with information on when to replace it.
Frequently Asked Questions:
Can I use a different hormonal IUD for 8 years?
No, this extension only applies to the Mirena coil.
How long can I use other hormonal IUDs?
- Levosert or Benilexa: Up to 6 years.
- Kyleena: Up to 5 years.
- Jaydess: Up to 3 years.
If I had my Mirena fitted after age 45, do I have to replace it after 8 years?
No, you can use it until menopause or age 55, unless you are receiving HRT (see below)
Can I keep my Mirena for 8 years if I’m using it for HRT?
No, it’s limited to 5 years.
If I’m using Mirena for heavy periods, when should I change it?
If it's managing your symptoms well, you may be able to use it longer than originally advised. Please discuss this with a member of the practice team.