<prompt> In Rh Isoimmunization, exchange transfusion is indicated in all of the following except:Cord blood hemoglobin 10 gdlCord bilirubin is more than 5 mgdlDCT positive History of previous sibling affectedHydrops fetalis  <response>: d. Hydrops fetalisRef: Nelsons 20e p 871-879, Ghai 8e p 172-176Indications of Exchange transfusion in a neonate with Rh incompatibility are:Cord hemoglobin 10gdL or Cord bilirubin 5mgdLDirect coombs test positive Ho kernicterus or severe erythroblastosis in a sibling. 