title: [IUDs and oral contraceptives: the most used methods in the world].
mesh_terms: D003267:Contraception; D003268:Contraception Behavior; D003276:Contraceptives, Oral; D019049:Developed Countries; D003906:Developing Countries; D005193:Family Planning Services; D007434:Intrauterine Devices; D013245:Sterilization, Reproductive
chemical_list: D003276:Contraceptives, Oral
keywords: Contraception; Contraceptive Methods; Contraceptive Methods Chosen; Contraceptive Prevalence; Contraceptive Usage; Developed Countries; Developing Countries; Family Planning; Iud; Oral Contraceptives; Sterilization, Sexual