title: Rationale for a triphasic oral contraceptive.
mesh_terms: D001794:Blood Pressure / Q000187:drug effects; D001835:Body Weight / Q000187:drug effects; D002784:Cholesterol / Q000097:blood; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology; D004338:Drug Combinations; D005260:Female; D006801:Humans; D008075:Lipoproteins, HDL / Q000097:blood; D008077:Lipoproteins, LDL / Q000097:blood; D008597:Menstrual Cycle / Q000187:drug effects*; D008656:Mestranol / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology*; D009640:Norethindrone / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology*
chemical_list: D003277:Contraceptives, Oral, Combined; D004338:Drug Combinations; D008075:Lipoproteins, HDL; D008077:Lipoproteins, LDL; C014715:Norinyl; D002784:Cholesterol; D008656:Mestranol; D009640:Norethindrone