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BJOG. 2010 Sep;117(10):1205-10. doi: 10.1111/j.1471-0528.2010.02652.x. Epub 2010 Jul 7.

Copper T380A intrauterine device for emergency contraception: a prospective, multicentre, cohort clinical trial.

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1
National Research Institute for Family Planning, Beijing, China.

Abstract

OBJECTIVE:

To determine the effectiveness of the Copper T380A (CuT380A) intrauterine device (IUD) as an emergency contraceptive in women.

DESIGN:

Prospective, multicentre, cohort clinical trial.

SETTING:

Eighteen family planning clinics in China.

SAMPLE:

A cohort of 1963 women, aged 18-44 years, requesting emergency contraception within 120 hours of unprotected sexual intercourse.

METHODS:

Women requesting emergency contraception were followed at 1, 3 and 12 months after the insertion of CuT380A.

MAIN OUTCOME MEASURES:

Efficacy of CuT380A as emergency contraception and for up to 12 months of postinsertion use. Insertion complication rates, reported side-effects and continuation rates at 12 months were also recorded.

RESULTS:

No pregnancies occurred prior to or at the first follow-up visit, making CuT380A 100% effective as emergency contraception in this study. The pregnancy rate over the 12-month period was 0.23 per 100 women. In all, 29 (1.5%) women experienced a difficult IUD insertion process, requiring local anaesthesia or prophylactic antibiotics. No uterine perforations occurred. The main side-effects were increased menstrual bleeding and menstrual disturbances. The 12-month postinsertion continuation rate was 94.0 per 100 woman-years.

CONCLUSIONS:

CuT380A is a safe and effective method for emergency contraception. The advantages of CuT380A include its ability to provide effective, long-term contraception.

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