Application of ultrasound-guided transabdominal chorionic villus sampling in the prenatal diagnosis
超声引导下经腹绒毛活检在产前诊断中的价值
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仍然需要用绒毛膜取样 ( CVS ), 羊水检查等其他检查确认.
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A chorionic villus is a minute vascular projection on the fetal chorion.
绒膜绒毛是胎儿绒毛膜上的一种微小的血管凸出物.
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目的探讨绒毛活检在重型地中海贫血早期诊断的应用价值.
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Methods 157 samples of chorionic villus in early pregnancy were analyzed by cytogenetic method.
方法对157例孕妇早期流产绒毛进行染色体分析.
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