Abstract:ObjectiveBased on the “analysis of fetal sonographic double\|bubble” suspected duodenal atresia,further understanding of “double bubble sign” in the diagnosis of congenital duodenal atresia of value and points for attention.Methods46157pregnant 18 weeks to 40 weeks underwent color Doppler ultrasound examination of fetal abdomen of patients,cross\|sectional standard with color Doppler ultrasound scan,screening of “double\|bubble” suspected duodenal atresia in fetus,to analyze the sonographic characteristics.Results10 fetuses with “double bubble sign”was found,confirmed by clinical 9 for duodenal atresia in fetus,1 fetus “double\|bubble” appear and then disappear,later confirmed to fetal health.Conclusion“Double bubble sign”had important value in the diagnosis of fetal duodenal atresia,and the position,morphology,dynamic change and the timing of check had important influence on the value in diagnosis of congenital duodenal atresia,worthy of note
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