title: Hormonal contraception. Sequential formulations and the endometrium.
mesh_terms: D003276:Contraceptives, Oral; D003279:Contraceptives, Oral, Sequential / Q000009:adverse effects / Q000494:pharmacology; D004394:Dydrogesterone / Q000009:adverse effects / Q000494:pharmacology; D004717:Endometrium / Q000187:drug effects* / Q000473:pathology; D004997:Ethinyl Estradiol / Q000009:adverse effects / Q000494:pharmacology; D005260:Female; D006801:Humans; D006965:Hyperplasia / Q000139:chemically induced; D011247:Pregnancy; D011281:Pregnatrienes / Q000009:adverse effects / Q000494:pharmacology
chemical_list: D003276:Contraceptives, Oral; D003279:Contraceptives, Oral, Sequential; D011281:Pregnatrienes; D004997:Ethinyl Estradiol; D004394:Dydrogesterone