本文总结10572例中、晚期孕妇产前B超检查资料,检出胎儿先天性畸形405例,其检出率为3.8％,并对胎儿畸形进行分析,其中神经管缺陷居首位,占86.91％,泌尿系统畸形占2.72％,消化系统畸形占1.23％,其它畸形占9.14％。结论:超声对胎儿畸形的早期诊断与分类,具有其它诊断不能比拟的优点。 This article summarizes the 10572 cases of pregnant women in the prenatal B ultrasound examination data, detection of fetal congenital malformations in 405 cases, the detection rate was 3.8%, and fetal malformations were analyzed, of which the highest incidence of neural tube defects, accounting for 86.91% , Urinary system malformation accounted for 2.72%, digestive system malformation accounted for 1.23%, other deformities accounted for 9.14%. Conclusion: The early diagnosis and classification of fetal malformations by ultrasound have the advantages unmatched by other diagnoses.