胎盘成熟度的超声分级的分级依据是A.胎盘实质回声B.绒毛膜板回声C.胎盘基底膜回声D.胎盘绒毛膜板、胎盘基底膜、胎盘实质三部分结构的回声E...

作者: rantiku 人气: - 评论: 0
问题 胎盘成熟度的超声分级的分级依据是
选项 A.胎盘实质回声 B.绒毛膜板回声 C.胎盘基底膜回声 D.胎盘绒毛膜板、胎盘基底膜、胎盘实质三部分结构的回声 E.脐带血流多普勒流速曲线
答案 D
解析
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