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Unintended Pregnancy Prevention: Intervention Activities: IUD Safety Fact Sheet

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Fact sheet: Update on intrauterine devices (IUD) and pelvic infection

Women and their clinicians should be aware that today's IUDs are highly effective and safe for long-term contraceptive use for women at low risk for sexually transmitted diseases (STDs).

During 1974, CDC raised questions about the Dalkon Shield, an IUD marketed between 1970 and 1974, and found an excess risk of complicated pregnancies among the Dalkon Shield users compared with users of other IUDs. In 1974, the manufacturer withdrew the device from the market.

Research and improvements have made today's IUDs an attractive contraceptive choice for many women who might be avoiding IUDs because of the Dalkon Shield.
Today, fewer than 1 percent of women who use contraceptives in the United States use the IUD, but those who do, find it highly acceptable. The most commonly used IUD in the United States reports a 1 percent or less pregnancy rate per year and a low rate of side effects.

More recent studies suggest that most cases of pelvic infection that occur with an IUD in place are caused by STDs. Also, most IUD attributable infections appear to be related to insertion of the device; some of these infections are likely preventable with proper infection control measures.

Related Resources

IUD Safety: Report of a nationwide physician survey
In an attempt to determine the morbidity and mortality associated with IUD use nationwide, CDC, in conjunction with the American Medical Association (AMA) and the American Osteopathic Association (AOA), began a physician survey in June 1973. As part of its  commemoration of CDC’s 50th anniversary in July 1996, MMWR reprinted selected MMWR articles of historical interest to public health, accompanied by current editorial notes. Recent studies have suggested that most cases of pelvic infection that occur with an IUD in place are attributable to sexually transmitted diseases (STDs) and that women at low risk for STDs also are at low risk for pelvic infection while they are using an IUD. Source: MMWR Oct.17, 1997/ Vol.46/No. 41.

Page last reviewed: 12/4/08
Page last modified: 8/25/06
Content source: Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion

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