title: Risk of PID 5x greater from Dalkon Shield than from other IUDs.
mesh_terms: D000293:Adolescent; D000328:Adult; D001900:Boston; D005260:Female; D006306:Health Surveys; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D007435:Intrauterine Devices, Copper / Q000009:adverse effects; D000292:Pelvic Inflammatory Disease / Q000209:etiology*; D012306:Risk