New approaches seek greater safety, appeal.
Blaney
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D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003274:Contraceptive Devices, Female; D004467:Economics; D005193:Family Planning Services; D007267:Injections; D007434:Intrauterine Devices; D007436:Intrauterine Devices, Medicated; D010570:Pessaries; D012106:Research; D013089:Spermatocidal Agents; D013672:Technology
D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D013089:Spermatocidal Agents
Contraception; Contraception Research; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Implants; Contraceptive Methods; Economic Factors; Family Planning; Injectables; Iud; Iud, Hormone Releasing; Research And Development; Technology; Vaginal Rings; Vaginal Spermicides; Vaginal Suppository