Thyroid function tests and oral contraceptives.
D003276:Contraceptives, Oral / Q000494:pharmacology*; D003277:Contraceptives, Oral, Combined / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008598:Menstruation; D013960:Thyroid Function Tests; D013974:Thyroxine / Q000097:blood*
D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D013974:Thyroxine