title: The IUD in evolution.
authors.affiliation: Department of Obstetrics and Gynecology, Columbia University, New York, New York, USA.
authors.forename: C
authors.initials: C
authors.lastname: Westhoff
mesh_terms: D004867:Equipment Design; D005260:Female; D005544:Forecasting; D006801:Humans; D007231:Infant, Newborn; D007433:Intrauterine Device Expulsion; D007434:Intrauterine Devices / Q000639:trends*; D007435:Intrauterine Devices, Copper / Q000639:trends; D007436:Intrauterine Devices, Medicated / Q000639:trends; D011247:Pregnancy; D014481:United States