title: Inhibition of ovulation by estrogens.
mesh_terms: D002715:Chlormadinone Acetate / Q000008:administration & dosage*; D003276:Contraceptives, Oral / Q000008:administration & dosage*; D004997:Ethinyl Estradiol / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008234:Lynestrenol / Q000008:administration & dosage*; D008656:Mestranol / Q000008:administration & dosage*; D010060:Ovulation / Q000187:drug effects; D011276:Pregnanediol / Q000652:urine
chemical_list: D003276:Contraceptives, Oral; D002715:Chlormadinone Acetate; D004997:Ethinyl Estradiol; D008656:Mestranol; D011276:Pregnanediol; D008234:Lynestrenol