结果：胎儿脐动脉血流频谱曲线出现不规则图像时，有可能提示胎儿已有供血供氧不足的现象存在。
Results: the existence of the phenomenon of the deficiency in both blood and oxygen of the fetus when the irregular image of the fetus umbilical artery blood flow spectrum curve emerged.
方法在相同细胞因子组合下，用体外液体培养比较脐血有核细胞程序扩增组与一次扩增组及有无基质层条件下的优劣。
Methods under the same condition with hematopoietic factors in the liquid culture, compared the sequential expansion group and once for all expansion group with or without stroma cell layer.
脐血中瘦素含量可能对新生儿生长发育有重要调节作用，可作为一项预测新生儿体重的指标。
Umbilical cord leptin concentration may play an important role in modulating the fetal growth and development.
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