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目的对B超引导下的羊膜腔穿刺术行产前诊断诊断的安全性进行评估。方法回顾性分析我院产前诊断中心2010年1月至2013年6月B超引导下的羊膜腔穿刺病例3277例,对羊水细胞染色体产前诊断结果及流产率进行分析。结果发现异常核型140例,检出率4.27%,其中数目异常55例,结构异常64例,嵌合21例,术后1个月流产9例,无其它羊膜腔穿刺并发症发生。结论超声引导下的羊膜腔穿刺技术是安全可靠的产前诊断取材技术,可以有效的降低出生缺陷人数。
Objective To assess the safety of prenatal diagnosis in amniocentesis guided by B-ultrasound. Methods A retrospective analysis of 3277 cases of amniocentesis guided by B-ultrasonography in prenatal diagnosis center of our hospital from January 2010 to June 2013 was conducted. The prenatal diagnosis of amniotic fluid cell chromosome and the abortion rate were analyzed. The results showed that there were 140 cases with abnormal karyotype, the detection rate was 4.27%. There were 55 cases with abnormal number, 64 cases with abnormal structure, 21 cases with chimerism and 9 cases with abortion at 1 month after operation. No other complications occurred during amniocentesis. Conclusion Ultrasound-guided amniocentesis is a safe and reliable method of prenatal diagnosis, which can effectively reduce the number of birth defects.