Continuation rates of hormonal intrauterine devices in adolescents and young adults when placed for contraceptive and non-contraceptive indications.

This study aimed to estimate and compare continuation rates of hormonal intrauterine devices (IUDs) when placed for contraceptive or menstrual management indications in adolescents and young adults. We conducted a secondary analysis of a prospectively collected database of all hormonal IUD insertions from January 1, 2017 through December 31, 2020, with at least 1-year follow-up, across four Adolescent Medicine practices. IUD insertions without known indication were excluded. A total of 936 IUD insertions were attempted, 45% for contraception only, 18% for menstrual management only, and 37% for both indications. Insertion was successful in 868 (93%) attempts, and success did not differ by indication (p = 0.74). The mean age at insertion was 18.9 years (SD = 2.4 years), with no difference by indication. Of the completed insertions, 650 (75%) had at least one follow-up during the data analysis period. Excluding those without follow-up, the overall continuation rates were 77% at 1 year, 66% at 2 years, and 54% at 3 years. While continuation rates did not differ by indication at 1 year, at 3 years, continuation was highest among those who sought the device for menstrual management only (contraception = 53%, menstrual = 57%, both = 53%, p < 0.01) Malposition was rare (4.0%), as was device expulsion (2.5%), and these did not differ by indication. IUD continuation rates were high among adolescents and young adults and did not significantly differ when placed for contraceptive or non-contraceptive indication in the first year of use. Adolescents and young adults may seek the hormonal IUD for contraception and/or menstrual management. Our study found that IUD continuation rates were high at 1 year regardless of the indication for utilization.

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