How do I.U.C.D.'s prevent pregnancies? [Answer to question].
D000349:Africa; D017954:Africa South of the Sahara; D000354:Africa, Western; D003267:Contraception; D003906:Developing Countries; D005193:Family Planning Services; D005869:Ghana; D007434:Intrauterine Devices; D007435:Intrauterine Devices, Copper
Africa; Africa South Of The Sahara; Contraception; Contraceptive Methods; Contraceptive Mode Of Action; Developing Countries; English Speaking Africa; Family Planning; Ghana; Iud; Iud, Copper Releasing; Western Africa