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B型超声检查是目前产科常用的检查手段,在围产保健中起着重要作用。其安全性问题一直为人们所关注。国内外不少学者已开展了实验研究及流行病学调查,但关于孕期接受B超检查对儿童智能发育有否影响的报道较少,亦尚无定论。本研究采用流行病学调查方法,初步探讨106名学龄前儿童
B-mode ultrasound is the common check-up method in obstetrics and plays an important role in perinatal care. Its security issues have always been of concern to people. Many scholars both at home and abroad have carried out experimental research and epidemiological investigation. However, there are few reports on whether B-ultrasound during pregnancy affects children’s intellectual development or not. In this study, epidemiological survey methods to explore 106 pre-school children