title: Recent developments in hormonal contraception.
authors.affiliation: Department of Obstetrics, Gynecology and Reproductive Sciences, San Francisco General Hospital, University of California, San Francisco, CA 94110, USA.
authors.forename: Eleanor A
authors.initials: EA
authors.lastname: Drey
authors.forename: Philip D
authors.initials: PD
authors.lastname: Darney
mesh_terms: D003278:Contraceptives, Oral, Hormonal; D005260:Female; D006801:Humans; D011247:Pregnancy
chemical_list: D003278:Contraceptives, Oral, Hormonal