title: Clinical experience with the combined contraceptive vaginal ring in Switzerland, including a subgroup analysis of previous hormonal contraceptive use.
authors.affiliation: Reproductive Endocrinology Clinic, Gynaecology Department, University Hospital, Frauenklinikstrasse 10, Zurich, Switzerland. gabriele.merki@usz.ch
authors.forename: Gabriele S
authors.initials: GS
authors.lastname: Merki-Feld
authors.forename: Martin
authors.initials: M
authors.lastname: Hund
mesh_terms: D000293:Adolescent; D000328:Adult; D003271:Contraceptive Agents, Female / Q000494:pharmacology* / Q000627:therapeutic use; D003274:Contraceptive Devices, Female / Q000009:adverse effects; D017135:Desogestrel / Q000494:pharmacology / Q000627:therapeutic use; D004338:Drug Combinations; D004997:Ethinyl Estradiol / Q000494:pharmacology / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances / Q000188:drug therapy*; D008875:Middle Aged; D019370:Observation; D010060:Ovulation / Q000187:drug effects*; D017060:Patient Satisfaction; D013557:Switzerland; D055815:Young Adult
chemical_list: D003271:Contraceptive Agents, Female; D004338:Drug Combinations; C044815:etonogestrel; D004997:Ethinyl Estradiol; D017135:Desogestrel