title: Update on the intrauterine contraceptive device.
authors.forename: P
authors.initials: P
authors.lastname: Bergsjø
mesh_terms: D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects / Q000706:statistics & numerical data; D007435:Intrauterine Devices, Copper; D000292:Pelvic Inflammatory Disease / Q000453:epidemiology; D012307:Risk Factors