title: Continuous progestogen contraception: a dose relationship study with chlormadinone acetate.
mesh_terms: D002582:Cervix Mucus / Q000187:drug effects*; D002715:Chlormadinone Acetate / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D003276:Contraceptives, Oral / Q000008:administration & dosage*; D004717:Endometrium / Q000187:drug effects*; D005260:Female; D006801:Humans; D011247:Pregnancy
chemical_list: D003276:Contraceptives, Oral; D002715:Chlormadinone Acetate