结论新生儿生理性抗凝血因子处于一个较低的水平，α2-MG正常可能是一种代偿机制。在新生儿出血性疾病的诊断及抗凝剂的应用中应引起注意。
Conclusion Anticoagulant functions were at a lower level and the level of α _2-MG maybe one saving mechanism which provides a information for diagnoses of neonatal hemorrhagic diseases and use of anticoagulant in clinic .
新生儿出血性疾病