title: Emergency contraceptive update.
authors.forename: Ted
authors.initials: T
authors.lastname: Rosen
mesh_terms: D044363:Contraception, Postcoital; D003280:Contraceptives, Oral, Synthetic / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000008:administration & dosage*; D009649:Norpregnadienes / Q000008:administration & dosage*; D014481:United States
chemical_list: D003280:Contraceptives, Oral, Synthetic; D009649:Norpregnadienes; D016912:Levonorgestrel; C555622:ulipristal acetate