title: [Backup contraception - past, current and future trends ].
authors.forename: D
authors.initials: D
authors.lastname: Tzvetanov
mesh_terms: D044363:Contraception, Postcoital / Q000009:adverse effects / Q000266:history / Q000639:trends; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use; D003281:Contraceptives, Postcoital / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use*; D003613:Danazol / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use; D004334:Drug Administration Schedule; D004967:Estrogens / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use; D005260:Female; D007987:Gonadotropin-Releasing Hormone / Q000037:antagonists & inhibitors; D049690:History, Ancient; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D011374:Progesterone / Q000037:antagonists & inhibitors; D011372:Progestins / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use; D013997:Time Factors
chemical_list: D003277:Contraceptives, Oral, Combined; D003281:Contraceptives, Postcoital; D004967:Estrogens; D011372:Progestins; D007987:Gonadotropin-Releasing Hormone; D011374:Progesterone; D003613:Danazol