IUDs: an appropriate contraceptive for many women.
D000196:Actinomycosis / Q000209:etiology; D000740:Anemia / Q000209:etiology; D002681:China; D003906:Developing Countries; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects / Q000706:statistics & numerical data; D007435:Intrauterine Devices, Copper; D007436:Intrauterine Devices, Medicated; D008598:Menstruation; D000292:Pelvic Inflammatory Disease / Q000209:etiology / Q000517:prevention & control / Q000628:therapy; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000209:etiology; D014599:Uterus / Q000033:anatomy & histology