Myalgia and an oral contraceptive.
D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005040:Ethynodiol Diacetate / Q000009:adverse effects; D005260:Female; D006801:Humans; D008656:Mestranol / Q000009:adverse effects*; D009135:Muscular Diseases / Q000209:etiology*
D003276:Contraceptives, Oral; D005040:Ethynodiol Diacetate; D008656:Mestranol