[Copper intra-uterine devices (I.U.D.) and pregnancy: a study of the metabolism of copper and of ceruloplasmin in the mother and in the products of conception (author's transl)].

The authors studied the variations in levels of copper and ceruloplasmin in the mother and in products of conception during the first trimester of pregnancy, during the 4th month of pregnancy and near term, having a series of 12 pregnancies with the copper I.U.D. in position. No change was observed between the levels of copper and ceruloplasmin in comparison with a control series.