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Contraception. 1993 Feb;47(2):169-75.

Evaluation of the clinical performance of a levonorgestrel-releasing IUD, up to seven years of use, in Campinas, Brazil.

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Department of Obstetrics & Gynecology, State University of Campinas, Brazil.


The clinical performance of a levonorgestrel IUD, releasing 20 mcg/day, used by 293 women at the Family Planning Clinic of the State University of Campinas, was evaluated up to the end of the seventh year of use. No pregnancies occurred in 899 women-years of observation. The cumulative removal rate for amenorrhea or severe hypomenorrhea was 15.7 per 100 women at seven years. The expulsion rate was within ranges observed with copper IUDs in the same clinic. The continuation rate was 49.5% at three years and 23.7 at seven years. The cumulative loss to follow-up rate was 13.7% at seven years. The effectiveness, good continuation rate, and reduction of the amount of blood loss make this device appropriate to be offered to Brazilian women, as an additional contraceptive option.

[Indexed for MEDLINE]

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