title: Oral contraceptives and heavy periods.
authors.affiliation: James O. Drife, MD, is from the University of Leeds School of Medicine, Leeds, United Kingdom; e-mail: j.o.drife@leeds.ac.uk.
authors.forename: James O
authors.initials: JO
authors.lastname: Drife
mesh_terms: D003276:Contraceptives, Oral / Q000008:administration & dosage*; D004958:Estradiol / Q000008:administration & dosage / Q000031:analogs & derivatives*; D005260:Female; D006801:Humans; D008595:Menorrhagia / Q000188:drug therapy*; D009277:Nandrolone / Q000008:administration & dosage / Q000031:analogs & derivatives*
chemical_list: D003276:Contraceptives, Oral; C023635:dienogest; D004958:Estradiol; D009277:Nandrolone