title: IUD modifications improve postpartum expulsion rates.
mesh_terms: D003267:Contraception; D003300:Copper; D003933:Diagnosis; D005193:Family Planning Services; D007434:Intrauterine Devices; D049590:Postpartum Period; D012098:Reproduction; D012153:Retention, Psychology; D013812:Therapeutics
chemical_list: D003300:Copper
keywords: Contraception; Contraceptive Methods; Copper; Examinations And Diagnoses; Family Planning; Insertion; Iud; Iud, Unmedicated; Puerperium; Reproduction; Retention; Treatment