Rheumatic disease, abnormal serology, and oral contraceptives.
D000293:Adolescent; D000328:Adult; D000818:Animals; D000974:Antibodies, Antinuclear / Q000032:analysis; D001799:Blood Sedimentation; D003165:Complement System Proteins / Q000032:analysis; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004997:Ethinyl Estradiol / Q000008:administration & dosage; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008656:Mestranol / Q000008:administration & dosage; D009504:Neutrophils; D009640:Norethindrone / Q000009:adverse effects; D009644:Norgestrel / Q000009:adverse effects; D011446:Prospective Studies; D012216:Rheumatic Diseases / Q000139:chemically induced* / Q000276:immunology; D012217:Rheumatoid Factor / Q000032:analysis; D012756:Sheep / Q000276:immunology; D013997:Time Factors
D000974:Antibodies, Antinuclear; D003276:Contraceptives, Oral; D009644:Norgestrel; D004997:Ethinyl Estradiol; D003165:Complement System Proteins; D012217:Rheumatoid Factor; D008656:Mestranol; D009640:Norethindrone