title: Introduction and summary of key clinical data.
authors.affiliation: Department of Obstetrics and Gynaecology, Queen Elizabeth II Research Institute for Mothers and Infants, University of Sydney, Sydney, NSW, Australia. i_fraser@med.usyd.edu.au
authors.forename: Ian S
authors.initials: IS
authors.lastname: Fraser
mesh_terms: D003271:Contraceptive Agents, Female / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D017135:Desogestrel / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D005193:Family Planning Services; D005260:Female; D006801:Humans
chemical_list: D003271:Contraceptive Agents, Female; C044815:etonogestrel; D017135:Desogestrel