title: IUD users are more apt to get PID than nonusers but incidence still low--about 2 percent per year.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D000292:Pelvic Inflammatory Disease / Q000209:etiology*