The effective prevention, diagnosis, and management of alloimmune cytopenias has become a team effort involving hematologists, obstetricians, pediatricians, immunologists, laboratory technicians, midwives, and research scientists. This book has been written by experts in their respective fields to bring together the issues of pathogenesis, epidemiology, prevention, diagnosis, and clinical management. This comprehensive but accessible account is extensively cross-referenced to emphasize the links between pathogenesis and clinical sequels, between epidemiology and the rationale for screening programs, and between diagnosis and therapeutic intervention.