title: Intrauterine devices and pelvic inflammatory disease.
mesh_terms: D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D007435:Intrauterine Devices, Copper / Q000009:adverse effects; D000292:Pelvic Inflammatory Disease / Q000209:etiology*; D012306:Risk