Continuing IUD research.
D055598:Chemical Phenomena; D002621:Chemistry; D019411:Clinical Laboratory Techniques; D003267:Contraception; D003300:Copper; D003933:Diagnosis; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D006285:Health Planning; D007287:Inorganic Chemicals; D007434:Intrauterine Devices; D007435:Intrauterine Devices, Copper; D008670:Metals; D009757:Nylons; D011108:Polymers; D015397:Program Evaluation
D007287:Inorganic Chemicals; D008670:Metals; D009757:Nylons; D011108:Polymers; D003300:Copper
Contraception; Contraceptive Effectiveness; Contraceptive Methods--complications; Contraceptive Methods--side effects; Copper; Evaluation; Examinations And Diagnoses; Family Planning; Family Planning Program Evaluation; Family Planning Programs; Ingredients And Chemicals; Inorganic Chemicals; Iud Material; Iud, Copper Releasing; Iud, Unmedicated; Iud--complications; Iud--side effects; Laboratory Examinations And Diagnoses; Laboratory Procedures; Metals; Nylon; Polymers; Size; Use-effectiveness