title: The missing IUD.
authors.affiliation: Department of Obstetrics and Gynecology, Hospital of the University of Pennsylvania, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.
authors.forename: Peter
authors.initials: P
authors.lastname: Vasquez
authors.forename: Courtney A
authors.initials: CA
authors.lastname: Schreiber
mesh_terms: D005260:Female; D005547:Foreign Bodies / Q000209:etiology*; D006801:Humans; D007436:Intrauterine Devices, Medicated / Q000009:adverse effects*; D010388:Pelvis / Q000473:pathology*; D011247:Pregnancy