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Advice following your coil insertion

Intrauterine device (IUD):
Copper IUD; Mirena; Levosert; Kyleena, Jaydess

IUD diagram

IUD diagram

How should I feel afterwards?

Most women experience some period-like discomfort for 24-48 hours after fitting, but then it usually
There may be some bleeding or spotting for a few days. If an IUD is fitted during a period, the period
may be heavier and last slightly longer than usual.
If the pain is severe, gets worse or does not settle after 3 days you should contact the clinic or your

What should I do afterwards?

Take simple painkillers such as paracetamol and/or ibuprofen (as long as you are not allergic to these
Rest for several hours after fitting, and avoid strenuous activity for the rest of the day.
Using a hot water bottle may help.
You should avoid the use of tampons and menstrual cups in the first 28 days after having a coil fitted,
so use pads only. After this you can resume use.

When can I resume sex?

A copper IUD is effective straight away as contraception. An IUS (Mirena/Levosert/Kyleena or
Jaydess) will not work as contraception for the first 7 days and you should abstain from sex or use
another contraceptive alongside (although not condoms as the threads could damage a condom in
the first week).

Is there anything I should look out for?

Change in bleeding pattern occurs frequently after your coil insertion. This should settle after 3-6
If you think you may have an infection please attend the clinic or see your GP as soon as possible.

Symptoms of an infection may include:

  • Persistent or worsening lower abdominal pain
  • Abnormal vaginal discharge
  • Fever
  • Pain during sexual intercourse

When does the coil need changing?

The date at which the coil needs to be removed or changed can be found at the top of the information sheet you are given.
It is your responsibility to attend your GP or local sexual health clinic before this date to have your coil
removed or exchanged before this date.
If you are planning to conceive, please arrange an appointment at your local Sexual Health clinic or
your GP for the coil to be removed.

Checking your threads

Gently put your finger inside your vagina. Feel for your cervix (which feels firm, like the end of your
Gently roll your finger over your cervix and you should feel your threads.
You should check for your coil threads once a month.
It is unlikely that your coil will fall out, but if you cannot feel your threads, please abstain from sexual
intercourse or use condoms and make an appointment to attend the clinic or see your GP to have the
device checked. If you think you may have had sex since the coil has moved you may need
emergency contraception. Please seek advice as soon as possible.

IUD - checking threads

IUD – checking threads

Was your Mirena IUS fitted after your 45th birthday?

If you are using it for contraception it can stay in until your 56th birthday.

We do not arrange any formal follow up but if you have any concerns regarding your coil,
please visit any of our clinics.

Additional advice

If you are aged 25 or over, make sure you have regular cervical smears, as part of the National
Cervical Screening Programme.
Have regular sexual health checks, as you should, whether or not a coil has been fitted.

For more information

For more information about the InterUterine Device/System (IUD/IUS) in general, look at: