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Uterine perforation by intrauterine devices: a 16-year review
  1. Paul A O’Brien1,
  2. Sarah Pillai2
  1. 1 Raymede Clinic, Sexual & Reproductive Health Service, Central North West London NHS Foundation Trust, London, UK
  2. 2 Contraception and Sexual Health Service, Central London Community Healthcare NHS Trust, London, UK
  1. Correspondence to Dr Paul A O’Brien, Raymede Clinic Sexual & Reproductive Health Service Central North West London NHS Foundation Trust Exmoor St London, W10 6DZ, UK; paulobrien{at}nhs.net

Abstract

Introduction One of the major concerns with the insertion of intrauterine devices is uterine perforation. Though uncommon, it can be debilitating and result in failure of the device. In this article we review uterine perforation with intrauterine contraception (IUC) in a community clinic in the UK over a 16-year period.

Methods We prospectively collected data on uterine perforations for the years 2000–2015, reviewed associated factors and calculated the annual rate of perforation, estimating if this lay within the expected range of normal variation using statistical process control (SPC) analysis. We analysed the rates of perforation in relation to the time from delivery and to breastfeeding.

Results We identified 30 uterine perforations in 22 795 IUC insertions over the 16 years of observation, with an annual rate ranging from 0 to 4.3 per 1000 insertions, and a mean annual rate of 1.3 per 1000 insertions (95% CI 0.9 to 1.9), which remain within the SPC limits. Twenty-eight of the perforations were in parous women, 87% of whom were within 18 weeks of delivery, peaking at 13 weeks postpartum. Twenty of these were in breastfeeding women. In 3/28 cases for which we have outcome data the device was adherent to or had perforated either the bladder or bowel.

Conclusion Our perforation rate is consistent with other studies. Most of our perforations were within 18 weeks of childbirth, earlier than in a recent major study. We cannot tell from our data if there is a true peak in perforations 3 months postpartum as that may be a time when a high proportion of insertions are done.

  • intrauterine devices
  • intrauterine systems
  • family planning service provision
  • ong-acting reversible contraception
  • uterine perforation

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Footnotes

  • Contributors The concept for the paper POB, review of case notes POB and SP, analysis POB, writing by SP and POB.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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