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当前学科：泌尿生殖系统
题目：
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胎儿腹裂的临床特点与声像图表现，下列哪项是错误的（）。
A . 肠管凸入脐带内
B . 位于脐带入口处右侧
C . 一般还伴有染色体异常
D . 肠管漂浮于羊水当中
E . 要注意观察脐血管入腹壁处
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