title: New Tatum-T compared with Copper-7.
mesh_terms: D003267:Contraception; D004864:Equipment and Supplies; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D007434:Intrauterine Devices; D007435:Intrauterine Devices, Copper
keywords: Contraception; Contraceptive Effectiveness; Contraceptive Methods; Equipment And Supplies; Family Planning; Iud; Iud, Copper Releasing; Use-effectiveness