Gynae
Coil (Mirena) Removal & Renewal
When to renew, what to expect on removal and what happens to bleeding afterwards.

How and when to renew a Mirena in an HRT regimen, what to expect from removal, and how bleeding may return — plus how to plan for both.
The Mirena intrauterine system is one of the most useful tools in menopause care — it provides highly effective contraception, dramatically reduces heavy bleeding and, at the right stage, delivers the progestogen component of HRT so you can use oestrogen safely. Because it plays several roles at once, the timing of renewal and the process of removal need a little more planning than a simple contraceptive coil change.
Renewal timing when the Mirena is your HRT progestogen
- For endometrial protection as part of combined HRT, the Mirena is licensed and effective for 5 years — replace on or before that date, do not extend.
- The licence for contraception alone is now up to 8 years, but this extended window does not apply when the coil is providing HRT-strength endometrial protection.
- A specialist review before renewal is a natural opportunity to reassess the whole regimen — oestrogen dose, symptom control, bone and cardiovascular risk.
What removal itself is like
- Usually a very quick procedure — most removals take under a minute once the speculum is in place.
- Mild cramping for a few hours afterwards is normal; over-the-counter paracetamol or ibuprofen is enough for the vast majority.
- Very occasionally the threads have retracted and a brief ultrasound-guided removal is needed — not painful, just an extra step.
What to expect after removal
- If you're still perimenopausal, ovulation and periods can return within 2–6 weeks — some women feel a temporary shift in mood or bleeding pattern as the local progestogen effect wears off.
- If you're on systemic oestrogen HRT, an alternative progestogen (usually Utrogestan) must be started the same day the coil comes out — never leave the womb exposed to unopposed oestrogen, even for a few weeks.
- If you're fully post-menopausal and stopping HRT altogether, no replacement progestogen is needed.
Fertility and contraception planning
- The Mirena is contraceptive up until the day it is removed — pregnancy risk resumes immediately afterwards if you're still ovulating.
- FSRH guidance allows a Mirena inserted at age 45 or later purely for contraception to remain in place until age 55, then be removed.
- If pregnancy is not wanted and fertility is possible, arrange alternative contraception (progestogen-only pill, new coil, condoms) at the same visit as removal.
Booking ahead
- Diary the expiry date the day your coil is fitted — clinic availability can be tight and you don't want a gap in cover.
- Book renewal or removal ideally 2–4 weeks before the current coil expires.
- Combine the appointment with a menopause review if you're on HRT — one visit, one fee, joined-up care.
Key takeaway
Mirena provides HRT-strength endometrial protection for 5 years — replace on time, and never leave the womb exposed to unopposed oestrogen at removal.
How Dr Awal approaches this in clinic
Every consultation starts with your full story — symptoms, cycle, medical history, family history and what you've already tried. From there we look at whether hormonal treatment, non-hormonal options, lifestyle changes or a combination will give you the best result, and we tailor the plan to your age, risk factors and preferences.
- A detailed 60 minute first appointment — no rushed 10-minute slots.
- Evidence-based recommendations aligned with NICE NG23 and BMS guidance.
- Body-identical HRT considered first-line where appropriate.
- Shared-care letters sent to your NHS GP so treatment can continue affordably.
- Follow-up at 3 months to fine-tune your regimen and address side effects.
- Ongoing annual reviews so your plan evolves with you.
Common questions we hear about this
Do I need to be at a certain age to be seen?
No. We see women in early perimenopause (often late 30s and 40s), through post-menopause and beyond. Age alone doesn't decide whether treatment is right — symptoms, health history and goals do.
Will my GP continue the prescription?
In most cases yes. After your consultation we send a detailed shared-care letter with the diagnosis, treatment plan and rationale so your NHS GP can prescribe on the NHS. Not every practice accepts shared care — we'll discuss this in your appointment.
What if I've tried HRT before and it didn't suit me?
Very common — often the type, dose or route wasn't right rather than HRT itself. We review what you've tried, why it didn't work, and adjust accordingly. Many women who thought HRT wasn't for them do well on a different preparation.
How long will I need to stay on treatment?
There is no set upper time limit for HRT. Current BMS and NICE guidance supports continuing HRT for as long as the benefits outweigh the risks for you personally. We review this together every year so you stay in control of the decision.
Where do you see patients?
All consultations at Pause and Co Healthcare are conducted securely via video, allowing us to support patients anywhere in the UK. Prescriptions and shared care arrangements are managed in the same way, regardless of your location.
About the author
Dr Nadira Awal is a British Menopause Society Advanced Menopause Specialist with 15+ years' NHS and private experience. She holds the BMS Advanced Certificate in Menopause Care, sits on the BMS Programme Planning Group, and advises the UK Government Menopause Strategy Group. Read her full profile.
Sources & further reading
General information only — not a substitute for personalised medical advice. Always speak to your GP or a menopause specialist about your own situation.
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