title: Safety of contraceptive methods: amenorrhea.
mesh_terms: D000568:Amenorrhea / Q000139:chemically induced* / Q000628:therapy; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects*; D045166:Estradiol Congeners / Q000009:adverse effects; D005260:Female; D005640:Follicle Stimulating Hormone / Q000302:isolation & purification; D006801:Humans; D006854:Hydrocortisone / Q000302:isolation & purification; D007031:Hypothalamus / Q000187:drug effects; D007986:Luteinizing Hormone / Q000302:isolation & purification; D010053:Ovary / Q000187:drug effects; D010060:Ovulation / Q000187:drug effects; D010902:Pituitary Gland / Q000187:drug effects; D045167:Progesterone Congeners / Q000009:adverse effects
chemical_list: D003276:Contraceptives, Oral; D003280:Contraceptives, Oral, Synthetic; D045166:Estradiol Congeners; D045167:Progesterone Congeners; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone; D006854:Hydrocortisone