Nursing Department The International Peace Maternity&Child Health Hospital Shanghai Jiaotong University School of Medicine Shanghai 200030 China;
Nursing Department Shanghai 6th People’s Hospital Affiliated to Shanghai Jiaotong University School of Medicine Shanghai 200233 China;
Hospital Administration Department Shanghai First Maternity and Infant Hospital Shanghai 201204 China;
postpartum hemorrhage; assessment; intervention; protocol; evidence-based method; modified Delphi technique;