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随着围产医学研究的进展和介入性超声技术的提高，产前胎儿诊断有了长足的进步。自８０年代中叶始许多医疗单位开展了经母腹脐静脉穿刺（ｐｅｒｃｕｔａｎｅｏｕｓｆｅｔａｌｕｎｂｉｌｉｃａｌｂｌｏｏｄｓａｍｐｌｉｎｇ，ＰＵＢＳ）获取胎血检验，主要适应证是胎儿染...
With the progress of perinatal medical research and interventional ultrasound technology, there has been considerable progress in prenatal fetal diagnosis. Since the mid-1980s, many medical units have conducted fetal blood tests via percutaneous umbilical venipuncture (PUBS), the main indications are fetal dye ...