title: Experimental' pregnancy: the ethical complexities of experimentation with oral contraceptives.
mesh_terms: D000032:Abortion, Therapeutic; D002715:Chlormadinone Acetate / Q000009:adverse effects; D003278:Contraceptives, Oral, Hormonal / Q000008:administration & dosage*; D045166:Estradiol Congeners / Q000008:administration & dosage; D005260:Female; D006077:Government Agencies; D006805:Human Experimentation; D006801:Humans; D007258:Informed Consent; D010817:Physician-Patient Relations; D010919:Placebos; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D011643:Publishing / Q000592:standards; D012107:Research Design / Q000592:standards; D012109:Research Support as Topic; D012959:Socioeconomic Factors; D014481:United States
chemical_list: D003278:Contraceptives, Oral, Hormonal; D045166:Estradiol Congeners; D010919:Placebos; D002715:Chlormadinone Acetate