Long-term experience of a levonorgestrel-releasing intrauterine system.
The levonorgestrel-releasing intrauterine system is a highly effective, long-acting, safe and reversible method of contraception, which offers additional health effects through its effects on menstruation. Long-term clinical studies have suggested a protective effect on pelvic inflammatory disease, have demonstrated that it is highly acceptable to the majority of women requesting effective contraception, and have shown that it may be used at any time throughout the fertile period and beyond.
Department of Obstetrics and Gynecology, University of Uppsala, Sweden.
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D003271:Contraceptive Agents, Female / Q000009:adverse effects / Q000494:pharmacology*; D004868:Equipment Failure; D005260:Female; D006801:Humans; D007436:Intrauterine Devices, Medicated; D016912:Levonorgestrel / Q000009:adverse effects / Q000494:pharmacology*; D000292:Pelvic Inflammatory Disease / Q000517:prevention & control; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000209:etiology; D012307:Risk Factors; D014592:Uterine Hemorrhage / Q000209:etiology
D003271:Contraceptive Agents, Female; D016912:Levonorgestrel