[Ultrastructural examination of the placenta in pregnancy complicated by diabetes mellitus].

Abstract

Pathologic changes in the placentas of diabetic women (significant thickening of basal membranes of trophoblast separation of basal membranes in basal capillaries, distention and proliferation of endothelial cells, disarrangements of perivascular space and decrease of vascular surface of terminal villi are significant factors contributing to fetal anoxia in pregnancy complicated by diabetes mellitus.