The Hormonal IUD in Perimenopause for Heavy Bleeding and Hormone Therapy
Is the Hormonal IUD right for perimenopause? Can you use it with estrogen in menopausal hormone therapy? What are the risks and the benefits?
Teeing off Season 2 of Phase to Phase: The Hormone Health Show, Naturopathic Doctor & Menopause Society Certified Practitioner Anne Hussain dives deep into a tiny T-shaped tool for perimenopause: the hormonal IUD (or IUS). Perimenopause lasts for 4 to 8 years on average and can bring unpredictable, heavy, or prolonged bleeding, flooding–changes that can leave many women and menstruators exhausted, iron-deficient, and missing out on life.
In this solo episode, Dr. Anne breaks down the physiological changes driving these changes in flow (including changing adenomyosis and fibroids) and takes you through the hormonal IUD beyond its role as a high-efficacy contraceptive . She compares the copper IUD with levonorgestrel-releasing devices (like Mirena, Kyleena, and Skyla), laying out the benefits and risks. She highlights how the 52 mg Mirena IUD acts as a dual-purpose solution during perimenopause: providing targeted relief for heavy bleeding and serving as the endometrial protection component when paired with transdermal estrogen in Menopause Hormone Therapy (MHT).
Key Takeaways
Heavy bleeding in perimenopause is common but not something you need to “muscle through”. Erratic ovulation and changing estrogen levels in early perimenopause can trigger heavy periods, prolonged spotting, and flooding. These symptoms are expensive, disruptive, and frequently lead to iron deficiency.
The hormonal IUD is not the same as the copper IUD. While a copper IUD creates a localized inflammatory response for contraception and can worsen heavy bleeding and cramping, the hormonal IUD releases levonorgestrel (a compound like progesterone) locally to thin the uterine lining and significantly reduce heavy flows and period pain.
How does the hormonal IUD work? The hormonal IUD functions primarily through three mechanisms: thinning the endometrial lining, thickening cervical mucus to block sperm, and interfering with fertilization. In some cases, it can also suppress ovulation or eliminate bleeding altogether.
What are the benefits of the hormonal IUD in perimenopause? In perimenopause, the Mirena IUD can help decrease heavy (and irregular) bleeding like in adenomyosis and fibroids, improve period pain and cramping, offer contraception (because you can still get pregnant in perimenopause!), and be part of MHT.
Can the IUD be used as part of menopausal hormone therapy? When using systemic estrogen for perimenopause symptoms or bone health, a progestin/progesterone is required to protect the uterine lining against abnormal cell growth. In Canada, the 52 mg Mirena IUD is approved as the endometrial protection component of MHT for up to 5 years.
- Does IUD insertion cause pain? What to do for IUD insertion pain? While serious IUD risks (like expulsion or perforation) are under 1%, insertion pain is a real concern. Patients are encouraged to advocate for pain management options (such as local anesthetics because painkillers often do not help) with their healthcare team prior to the procedure.
Chapters
00:00 Perimenopause period changes
3:36 Hormonal IUDs: Mirena, Kyleena, Skyla
4:45 Copper IUD vs. Hormonal IUD
5:52 Pros & Cons of Hormonal IUD
9:13 Hormonal IUD and estrogen in menopausal hormone therapy
11:48 Progesterone and Hormonal IUD
References & Resources
Blog post on the IUD in Perimenopause
Voedisch, A. J. (2025). Menopause, 33(1), PMID: 40957020
Government of Canada: Medical Management of Menopause Symptoms.
British Menopause Society (2026). Progestogens and endometrial protection.
Lanzola EL et al (2025). Intrauterine Device Placement and Removal. PMID: 32491335.
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