结论两项检查合用，可提高胎儿先心病的诊断水平；胎儿超声检查中增加卵圆孔直径和血流的测定，可以作为房间隔缺损的诊断标准。
Conclusion Measurements of diameter of oval foramen and flow across it in fetal echocardiography could be an additional diagnostic standard for atrial septal defect.
结论两项检查合用，可提高胎儿先心病的诊断水平；胎儿超声检查中增加卵圆孔直径和血流的测定，可以作为房间隔缺损的诊断标准。
Conclusion Measurements of diameter of oval foramen and flow across it in fetal echocardiography could be an additional diagnostic standard for atrial septal defect.
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