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Failure rate

Authoring team

Guidance concerning the use of copper intrauterine devices suggest that (1)

  • women should be advised of the low failure rate of IUDs, i.e. around 1%
  • IUDs containing at least 300 mm2 of copper should be used as they have the lowest failure rates
  • IUDs such as T-Safe Cu380A represent a reversible alternative to female sterilisation
    • with a reported 0.6–0.8 pregnancies per 100 women in the first 12 months of use

Reference:

  1. FFPRHC Guidance (January 2004). The copper intrauterine device as long-term contraception. J Fam Plann Reprod Health Care. 2004 Jan;30(1):29-4

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