It is the purpose of this communication to consider the method of intrauterine infusion of red blood cells (RBCs) into the fetus with erythroblastosis fetalis. The roentgenologic aspects and inherent dangers encountered will be stressed.
The indications for intrauterine infusion of RBCs into the fetus of a mother who is sensitized to the Rh antigen have been previously reported by Little,1 and are similar to those reported by Liley,2 McCrostie,3 and Bowman.4 It is not the purpose of this paper to review the indications for the procedure. Careful spectrophotometric amniotic-fluid values have been established and observed at our clinic at the Boston City Hospital.1 The time of transfusion differs in our series of mothers, beginning in some cases as early as 24 weeks' gestation. The number of transfusions varies from one to three per patient in our group of mothers.
The technique has