title: Disturbance of tryptophan metabolism and its correction during hormonal contraception.
mesh_terms: D000284:Administration, Oral; D003276:Contraceptives, Oral / Q000009:adverse effects* / Q000494:pharmacology; D004338:Drug Combinations; D004997:Ethinyl Estradiol / Q000494:pharmacology; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D008234:Lynestrenol / Q000494:pharmacology; D008525:Medroxyprogesterone / Q000494:pharmacology; D008656:Mestranol / Q000494:pharmacology; D009644:Norgestrel / Q000494:pharmacology; D011736:Pyridoxine / Q000008:administration & dosage / Q000097:blood; D013997:Time Factors; D014364:Tryptophan / Q000008:administration & dosage / Q000378:metabolism*; D026681:Vitamin B 6 Deficiency / Q000139:chemically induced*; D014977:Xanthurenates / Q000652:urine
chemical_list: D003276:Contraceptives, Oral; D004338:Drug Combinations; D014977:Xanthurenates; D009644:Norgestrel; D004997:Ethinyl Estradiol; D014364:Tryptophan; D008656:Mestranol; D008525:Medroxyprogesterone; D011736:Pyridoxine; D008234:Lynestrenol