ABSTRACT
The patogenesıs of ma ternal blood group immunization and of hemolytic dısease of the fetus and newbom have been defı ned accuratly nowdays. A metod of prevanting Rh ımmunizatıon has been devoloped and put into practıce. Thus severe hemolytıc disease of the fet us and newbom is n 't comman any mo re. Thıs article infarnı about this matler and modern management method.