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Also known as: Levonorgestrel IUS, Mirena coil, Bayer IUS
A hormonal intrauterine system (coil) that releases a low dose of levonorgestrel locally into the uterus. In the context of HRT, it is used as the progestogen component to protect the uterine lining when combined with systemic oestrogen. Also functions as contraception.
This page contains self-reported experiences from the Narrated community — not clinical data. Outcomes are subjective. Always consult your doctor or specialist before starting, stopping, or changing any approach.
Total Reports
9
Median Score (Wk 8)
7/10
Would Continue
44%
Avg Duration
12 wk
Most Common Goal
perimenopause
Most Reported Side Effect
Mood changes initially (44%)
Based on self-reported community data. Scores use a 1–10 scale.
Regulatory status does not mean an approach is safe or unsafe. Laws vary by country — check your local regulations.
Women who reported on Mirena IUS mentioned using it for the following goals. This does not mean it is intended for or achieves any of these outcomes.
Aggregated patterns from 9 self-reported experiences with Mirena IUS.
44% of women said they would continue this protocol
6.3/10 average self-reported outcome score at week 8
Most commonly reported effects: Mood changes initially, Insertion pain, Cramping after insertion, Bloating, Spotting for first 3 months
Outcome Score Distribution (Week 8)
9 of 9 reports included a week 8 score
Would Continue Protocol
9 of 9 reports included this response
Reported Goals
Commonly Reported Effects
Percentage of reports mentioning each effect
Based on 9 self-reported experiences. This is community data, not clinical evidence. Individual outcomes vary. Discuss any intervention with your healthcare provider.
9 reports from women who tried Mirena IUS
I tried Mirena IUS for weight gain and low mood but the results were mixed. I felt a bit more like myself, but the initial improvement plateaued. Still deciding whether to continue.
Mirena IUS has been really helpful for my hot flashes and irritability. I noticed the worst of the symptoms eased fairly quickly. the symptoms were about 70% better over the following weeks. Very happy with the results so far.
Mirena IUS helped somewhat with my mood swings and rage episodes — energy improved, though the hot flashes continued. It's OK but I expected more.
I was sceptical about Mirena IUS but desperate with my bone density concerns. the worst of the symptoms eased. By week 12, my energy levels were back to normal. I'm glad I tried it.
I've been using Mirena IUS for about 10 weeks now for joint pain and stiffness. the worst of the symptoms eased around week 4. my quality of life improved dramatically. Very happy with the results so far.
Research context compiled from published sources
Releases levonorgestrel locally into the endometrial cavity, suppressing endometrial proliferation. Systemic absorption is very low, which may reduce progestogen-related side effects. Also thickens cervical mucus and may suppress ovulation.
Well Studied
Extensive human research over many years, including randomized controlled trials.
Well Characterized
Decades of long-term safety data available from human use.
Dose ranges from published research. Individual dosing should be determined with your healthcare provider based on your specific circumstances.
Factual research context from published sources — not a safety assessment or recommendation. Research classifications may change as new data emerges.
Other approaches tracked on Narrated.
Data last updated: March 27, 2026