Umbilical vessel catheterization.
D001784:Blood Gas Analysis; D002404:Catheterization / Q000009:adverse effects; D004899:Erythroblastosis, Fetal / Q000628:therapy; D005078:Exchange Transfusion, Whole Blood; D005260:Female; D006470:Hemorrhage / Q000517:prevention & control; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000097:blood; D011247:Pregnancy; D013536:Suture Techniques; D013924:Thrombophlebitis / Q000209:etiology; D013927:Thrombosis / Q000209:etiology; D014469:Umbilical Arteries; D014471:Umbilical Veins