The failure of the copper IUD to inhibit fertilization in the rabbit.
D000818:Animals; D003300:Copper; D003338:Corpus Luteum / Q000254:growth & development; D005260:Female; D005306:Fertilization; D007434:Intrauterine Devices; D008297:Male; D010053:Ovary / Q000033:anatomy & histology; D011247:Pregnancy; D011817:Rabbits; D014599:Uterus / Q000378:metabolism
D003300:Copper