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It is placed inside your uterus and releases progesterone – the same hormone found in contraceptive pills. A hormonal coil can also be used to treat heavy periods.

How does a hormonal coil work?

The coil is a small, plastic T-shaped device. It slowly releases progesterone; not only preventing pregnancy but also making your periods lighter and less painful by:

  • Thickening  the mucus in your cervix preventing sperm from traveling to fertilise an egg
  • Making the lining of your uterus (endometrium) thinner preventing an egg from implanting
  • Preventing ovulation (in some women)

What happens during hormonal coil fitting?

Hormonal coil fitting takes between 15 and 20 minutes. It is usually fit within 7 days after the start of your period. 

A nurse or gynaecologist will check to make sure you are not pregnant, that you do not have any existing infection in your womb and the size and position of your womb. 

The device is inserted through your cervix into your womb. Two fine threads attached to the bottom of the coil will remain at the top to your vagina. The threads allow you and your gynaecologist to check the device is in place. 

Coil fitting can be uncomfortable however most women do not experience any pain.

After hormonal coil fitting

You may feel cramping similar to period pain just after your fitting. Take over the counter pain killers such as paracetamol to ease this symptom. It is not unusual to experience light vaginal bleeding for a few days. 

Your consultant or nurse will probably want to see you for a follow-up after your first period. You can continue to wear your hormonal coil for five years. It will need to be replaced or removed by a trained professional. 

Most women experience no symptom following hormonal coil fitting. You should contact your consultant or nurse if you experience:

  • Continued abdominal pain following fitting
  • Unusual vaginal discharge
  • If you think your coil has dislodged (fallen out)
Find your nearest hospital that provides this treatment

67 Lansdowne Road, Bournemouth, BH1 1RW

01202 291866
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Shenfield Road, Brentwood, CM15 8EH

01277 695695
Overall rating Good

Warren Road, Brighton, BN2 6DX

01273 624488
Overall rating Meeting standards

3 Clifton Hill, Clifton, Bristol, BS8 1BN

0117 906 4870
Overall rating Good

4 Trumpington Road, Cambridge, CB2 8AF

01223 370919
Overall rating Outstanding

Hatherley Lane, Cheltenham, GL51 6SY

01242 246 500
Overall rating Good

Wrexham Road, Chester, CH4 7QP

01244 680 444
Overall rating Good

78 Broyle Road, Chichester, PO19 6WB

01243 530600
Overall rating Good

Rykneld Road, Derby, DE23 4SN

01332 540100
Overall rating Good

Wonford Road, Exeter, EX2 4UG

01392 262110
Overall rating Good

25 Beaconsfield Road, Glasgow, G12 0PJ


Stirling Road, Guildford, GU2 7RF

01483 555805
Overall rating Good
Haywards Heath  

Burrell Road, Haywards Heath, RH16 1UD

01444 456999
Overall rating Good

Venns Lane, Hereford, HR1 1DF

01432 355 131
Overall rating Good

Foxhall Road, Ipswich, IP4 5SW

01473 279100
Overall rating Good

2 Leighton Street, Leeds, LS1 3EB

01133 882 067
Overall rating Outstanding

Scraptoft Lane, Leicester, LE5 1HY

0116 2769 401
Overall rating Good
Newcastle upon Tyne  

Clayton Road, Newcastle-upon-Tyne, NE2 1JP

0191 281 6131
Overall rating Good
North Staffordshire  

Clayton Road, Newcastle-under-Lyme, ST5 4DB

01782 625431
Overall rating Good

Beech Road, Headington, Oxford, OX3 7RP

01865 307777
Overall rating Good

Derriford Road, Plymouth, PL6 8BG

01752 775861
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Longden Road, Shrewsbury, SY3 9DP

01743 282628
Overall rating Good

Staplegrove Elm, Taunton, TA2 6AN

01823 286991
Overall rating Good

Junction Road, Norton, Stockton on Tees, TS20 1PX

01642 367439
Overall rating Outstanding
Tunbridge Wells  

Kingswood Road, Tunbridge Wells, TN2 4UL

01892 531111
Overall rating Good

The Chase, Old Milverton Lane, Leamington Spa, CV32 6RW

01926 436351
Overall rating Good

Winchester Road, Chandlers Ford, Eastleigh, SO53 2DW

02380 266 377
Overall rating Good

Shores Road, Woking, GU21 4BY

01483 227800
Overall rating Good

Wood Road, Tettenhall, Wolverhampton, WV6 8LE

01902 754 177
Overall rating Good

Haxby Road, York, YO31 8TA

01904 715000
Overall rating Good

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