title: By the way, doctor. I am 47 and have been taking Loestrin 1/20 for the past seven months. After the first month, I ceased having periods, which my gynecologist says is typical. Could you comment on why this happens and whether I am putting myself at increased risk for uterine cancer?
authors.forename: C
authors.initials: C
authors.lastname: Robb-Nicholson
mesh_terms: D003277:Contraceptives, Oral, Combined / Q000009:adverse effects / Q000494:pharmacology*; D004338:Drug Combinations; D004997:Ethinyl Estradiol / Q000009:adverse effects / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008597:Menstrual Cycle / Q000187:drug effects*; D008875:Middle Aged; D009640:Norethindrone / Q000009:adverse effects / Q000494:pharmacology*
chemical_list: D003277:Contraceptives, Oral, Combined; D004338:Drug Combinations; C020416:norethindrone acetate, ethinyl estradiol, ferrous fumarate drug combination; D004997:Ethinyl Estradiol; D009640:Norethindrone