title: [Relation between ectopic pregnancy and IUD use].
authors.forename: C X
authors.initials: CX
authors.lastname: Ge
authors.forename: M M
authors.initials: MM
authors.lastname: Liu
mesh_terms: D001208:Asia; D002681:China; D003267:Contraception; D003906:Developing Countries; D004194:Disease; D005193:Family Planning Services; D005202:Asia, Eastern; D007434:Intrauterine Devices; D011248:Pregnancy Complications; D011271:Pregnancy, Ectopic
keywords: Asia; China; Contraception; Contraceptive Methods--complications; Developing Countries; Diseases; Eastern Asia; Family Planning; Iud--complications; Pregnancy Complications; Pregnancy, Ectopic