“…The partial D category IV a individuals lack epitopes 1,2,3,9; the partial D category IV b individuals lack epitopes 1,2,3,4,9; the partial D category V a individuals lack epitopes 1,5; and the partial D category VI lack epitopes 1,2,5,6,7,8 (Table 1). Interestingly, anti‐D immune globulin, administered to Rh (D) negative mothers, failed to reduce the fetal cell count in her circulation shortly after the birth of an infant with a weak partial D phenotype 29 .…”