Alignment between selected areas of consensus and nonconsensus of the Delphi survey and the recommendations of professional societies/national guidelines. Recommendations of professional societies and national guidelines were retrieved from ACOG,¹⁶ ASH,¹⁵ BSH,⁷ and the French guidelines.¹⁴ ACOG, the American College of Obstetricians and Gynecologists; ASH, the American Society of Hematology; CMV, cytomegalovirus.