title: LNG may still be the best oral EC option.
authors.forename: Rudiger
authors.initials: R
authors.lastname: Pittrof
authors.forename: Punam
authors.initials: P
authors.lastname: Rubenstein
authors.forename: Ulrike
authors.initials: U
authors.lastname: Sauer
mesh_terms: D044363:Contraception, Postcoital / Q000379:methods*; D003280:Contraceptives, Oral, Synthetic / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000008:administration & dosage; D009649:Norpregnadienes / Q000008:administration & dosage; D011247:Pregnancy; D049168:Pregnancy, Unplanned; D011980:Receptors, Progesterone / Q000378:metabolism
chemical_list: D003280:Contraceptives, Oral, Synthetic; D009649:Norpregnadienes; D011980:Receptors, Progesterone; D016912:Levonorgestrel; C094854:ulipristal