title: Oral contraceptives.
mesh_terms: D002715:Chlormadinone Acetate / Q000009:adverse effects; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004997:Ethinyl Estradiol / Q000009:adverse effects; D005260:Female; D006801:Humans; D008656:Mestranol / Q000009:adverse effects; D011372:Progestins / Q000009:adverse effects
chemical_list: D003276:Contraceptives, Oral; D011372:Progestins; D002715:Chlormadinone Acetate; D004997:Ethinyl Estradiol; D008656:Mestranol