Norplant capsules perform better with soft tubing.
D000569:Americas; D002140:California; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D019049:Developed Countries; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D016912:Levonorgestrel; D009515:New Jersey; D009518:New York; D009656:North America; D014481:United States
D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D016912:Levonorgestrel
Americas; California; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Effectiveness; Contraceptive Implants; Contraceptive Methods; Developed Countries; Family Planning; Levonorgestrel; New Jersey; New York; North America; Northern America; Research Report; United States; Use-effectiveness