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There is an increased risk of coil expulsion in those with BMI > 25

This guideline is in keeping with the CoSRH Clinical Guideline: Intrauterine contraception (March 2023)].

Abbreviations

IUC intrauterine contraception

IUD intrauterine device

LNG-IUD levonorgestrel intrauterine device

UKMEC United Kingdom Medical Eligibility Criteria

Other abbreviations have been defined within the body of the document.

Last reviewed: 30/09/2025

Next review date: 30/09/2027

Author(s): West of Scotland Managed Clinical Network for Sexual Health Clinical Guidelines Group.

Version: 12.1

Approved By: West of Scotland Managed Clinical Network for Sexual Health

Reviewer name(s): George Laird.

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