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Ｂ型超声（Ｂ超）检查可以诊断妊娠，观察胎儿生长发育情况与胎盘功能。不少医院甚至把Ｂ超列为妊娠的常规检查手段。但超声辐射是否对胎儿安全，国内外学者看法不一致。本文以回顾性临床调查的方式分析总结，客观评价孕期诊断级Ｂ超检查的安全性。临床资料：本组资料为１...
B-mode ultrasound (B-ultrasound) can diagnose pregnancy, observe fetal growth and placental function. Many hospitals even B ultrasound as a routine examination of pregnancy. However, whether the ultrasound radiation is safe for the fetus is inconsistent with domestic and foreign scholars. In this paper, retrospective clinical investigation of the way to analyze the summary, an objective evaluation of pregnancy diagnostic B-ultrasound. Clinical data: This group of information is 1 ...