title: Preliminary experience with a new low-oestrogen content combined oral contraceptive.
mesh_terms: D003276:Contraceptives, Oral / Q000009:adverse effects / Q000627:therapeutic use*; D004338:Drug Combinations; D004967:Estrogens / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008234:Lynestrenol / Q000627:therapeutic use*; D008598:Menstruation / Q000187:drug effects*; D013223:Statistics as Topic
chemical_list: D003276:Contraceptives, Oral; D004338:Drug Combinations; D004967:Estrogens; D008234:Lynestrenol