title: Secondary amenorrhea associated with the use of oral contraceptive steroids.
mesh_terms: D000293:Adolescent; D000328:Adult; D000568:Amenorrhea / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008875:Middle Aged
chemical_list: D003276:Contraceptives, Oral; D003280:Contraceptives, Oral, Synthetic