title: [The menstrual cycle during Edival treatment. Results of a field study].
mesh_terms: D000293:Adolescent; D000328:Adult; D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D004997:Ethinyl Estradiol / Q000494:pharmacology; D005260:Female; D006801:Humans; D008598:Menstruation / Q000187:drug effects*; D009644:Norgestrel / Q000494:pharmacology
chemical_list: D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D009644:Norgestrel; D004997:Ethinyl Estradiol
vernacular_title: Zyklusgeschehen unter Ediwal.