在产科中应用超声诊断是一有价值并常用的辅助方法。目前尚无临床使用超声诊断后出现副作用的报告,而且,几乎所有使用者均认为现在使用于诊断的这种超声强度是安全的,但迄今所报告的人类研究尚未包括远期影响。另外,动物试验提示对胎儿的神经、免疫、血液发育及遗传方面有不良影响,故作者集中于研究超声对远期的体格、神经及发育方面的作用。本文收集了美国 Colorado 州 Denver 市三个医 The application of ultrasound in obstetrics is a valuable and commonly used adjunct method. There are currently no reports of side effects following clinical ultrasound diagnosis, and almost all users believe that this ultrasound intensity now used for diagnosis is safe, but human studies reported to date have not included long-term effects. In addition, animal tests suggest that fetal ultrasound, immune, blood development and genetic adverse effects, so the author focused on the study of ultrasound on the long-term physical, neurological and developmental aspects. This article collected three doctors from Denver, Colorado