Choice of contraceptives.
D000279:Administration, Cutaneous; D000282:Administration, Intravaginal; D003267:Contraception; D042121:Contraception, Barrier; D044363:Contraception, Postcoital; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects* / Q000627:therapeutic use*; D003300:Copper; D005260:Female; D006801:Humans; D007273:Injections, Intramuscular; D007434:Intrauterine Devices; D016912:Levonorgestrel / Q000008:administration & dosage
D003277:Contraceptives, Oral, Combined; D016912:Levonorgestrel; D003300:Copper