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目的:探讨超声在检查胎儿先天性畸形中的作用和必要条件。方法:对2124例孕18～24周孕妇进行常规的胎儿系统产科检查,统计在规定时间内胎儿各系统的显示成功率和胎儿畸形发生率。结果:2124例孕妇在30min左右的超声检查中成功显示各系统的有1792例,占84%,其余几例经短时间休息或2～4周后再次检查后显示的有165例,总成功率92%。结论:孕18～24周内进行胎儿系统超声检查有很大的应用价值。
Objective: To investigate the role of ultrasound in the detection of congenital malformations of fetuses and the necessary conditions. Methods: A total of 2124 pregnancies aged 18-24 weeks were enrolled in this study. The obstetric examination was performed on the fetuses and the incidence of fetal malformations was calculated. Results: In 2124 pregnant women, 1792 cases of each system were successfully diagnosed by ultrasonography in about 30 minutes, accounting for 84%. The rest of the cases showed a total of 165 cases after a short rest or 2 ~ 4 weeks after re-examination. The total success rate 92%. Conclusion: Fetal ultrasound examination within 18-24 weeks pregnant has great value.