The effects of oral contraceptives on the results of laboratory tests.
D019411:Clinical Laboratory Techniques; D003276:Contraceptives, Oral / Q000008:administration & dosage / Q000494:pharmacology*; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D011247:Pregnancy; D013997:Time Factors
D003276:Contraceptives, Oral