title: [Changes of bleeding rhythm in normal biphasically menstruating women during continuing administration of small gestagen doses].
mesh_terms: D002582:Cervix Mucus; D005260:Female; D006801:Humans; D008598:Menstruation / Q000187:drug effects*; D009640:Norethindrone / Q000008:administration & dosage*; D009644:Norgestrel / Q000008:administration & dosage*; D010507:Periodicity; D014626:Vaginal Smears
chemical_list: D009644:Norgestrel; D009640:Norethindrone
vernacular_title: Uber Veränderungen des Blutungsrhythmus normal biphasisch zylierender Frauen während der kontinuierlichen Verabreichung kleiner Gestagendosen.