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Copper IUD

Important Information for Your Healthcare Provider

You should talk with your healthcare provider prior to using this contraceptive if you have:
  • A history of pelvic inflammatory disease (PID)
  • Had a serious pelvic infection
  • Uterine cancer or cervical cancer
  • Unexplained vaginal bleeding
  • Had an ectopic pregnancy (a "tubal" pregnancy) or are at high risk for an ectopic pregnancy
  • An intrauterine device (IUD) still in place
  • An abnormally shaped uterus or uterine fibroids
  • Any allergies, including to medications, foods, dyes, or preservatives.
Also, let your healthcare provider know if you:
Make sure to tell your healthcare provider about all other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.
(Click Precautions and Warnings With the Copper IUD to learn more, including information on who should not use the drug.)

How Does It Work?

Unlike many other forms of birth control, the copper IUD does not contain any hormones. It is inserted into the uterus by your healthcare provider, where it can remain for up to 10 years; some healthcare providers are comfortable leaving it in place for up to 12 years.
It is not exactly clear how the copper IUD works to prevent pregnancy. It has been suggested that the IUD may interfere with the sperm's ability to reach the egg, block fertilization of the egg, or prevent implantation of an embryo.
Last reviewed by: Kristi Monson, PharmD
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