Data support IUD placement in practice
“Understanding potential barriers to placement of long-acting reversible contraception such as IUDs is essential to expanding access to contraception,” Iris Krishna, MD, of Emory University, Atlanta, said in an interview.
“This study is a secondary analysis of a randomized trial that compared copper versus levonorgestrel IUD placement for emergency contraception. Investigators were able to evaluate frequency and timing of unprotected intercourse up to 14 days prior to IUD placement and prospectively collect data assessing pregnancy risk 1 month after IUD placement,” she said.
The study findings suggest that the risk of pregnancy with unprotected intercourse within 14 days of IUD placement is low overall, and that this risk does not appear to increase with multiple episodes of unprotected intercourse during this time period, Dr. Krishna said. “In general, insertion of an IUD may occur at any time during the menstrual cycle as long as pregnancy may be reasonably excluded and clinicians are encouraged to initiate and place long-acting reversible contraceptives in a single visit, if possible,” she noted. However, “there is a paucity of data on risk of pregnancy when assessing efficacy of IUDs as emergency contraception with episodes of unprotected intercourse more than 5 days prior to IUD placement,” she added.
The study results also suggest that pregnancy risk is similar between women who reported unprotected intercourse within 5 days prior to IUD placement and those who reported unprotected intercourse up to 14 days prior to IUD placement, said Dr. Krishna. “These findings are clinically significant, as they add to our understanding of risk of pregnancy with unprotected intercourse up to 14 days prior to placement of an IUD,” she emphasized.
In practice, the study results “will help clinicians counsel patients on risk of pregnancy after IUD placement for emergency contraception,” said Dr. Krishna. “More studies evaluating risk of pregnancy after IUD placement for emergency contraception with episodes of unprotected intercourse more than 5 days prior to placement are needed to further assess the potential to expand the time frame for IUD use as emergency contraception,” she said. “Reducing barriers to IUD access, especially in setting of emergency contraception, is essential to lowering unintended pregnancy rates in the United States.”
The study was supported by the Eunice Kennedy Shriver National Institute of Child Health and Human Development, as well as the University of Utah Population Health Research Foundation, the National Center for Research Resources, and the National Center for Advancing Translational Sciences at the National Institutes of Health. Several coauthors disclosed grant support from the Eunice Kennedy Shriver National Institute of Child Health and Human Development and the Office of Research on Women’s Health of the National Institutes of Health. The researchers, as well as Dr. Krishna, had no financial conflicts to disclose.