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资料来源:自1985年1月至1986年12月,七年间全部住院病历统计,在妊娠七个月以上分娩的新生儿1460例中,通过临床医生检查,肉眼所见,有形态结构异常者和 X 光诊断及 B 型超声波诊断以及部分尸检确诊为先天畸形者,共195例,其中无脑畸形86例,占44％。结果与分析一、新生儿无脑畸形年度发生率无脑畸形年度发生率最高为8.74％,最低为2.93‰,后三年呈下降趋势。七年无脑畸形总发生率为5.89‰,同国内外一些资料
Data source: From January 1985 to December 1986, all the hospitalized medical record statistics in seven years showed that in the 1460 newborns with more than seven gestational pregnancies, they were examined by clinicians, and they were found by naked eyes and had abnormal morphological structure. X-ray diagnosis and B-type ultrasound diagnosis and some autopsy confirmed congenital malformations, a total of 195 cases, of which 86 cases without brain malformations, accounting for 44%. Results and Analysis A, the annual incidence of anencephaly in neonates The annual incidence of anencephaly is the highest 8.74%, the lowest is 2.93 ‰, the decline in the next three years. Seven years the total incidence of anencephaly 5.89 ‰, with some information at home and abroad