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本文就2008年以来在本院检出的21-三体胎儿和患者55例进行分析,报告如下。1资料与方法1.1一般资料1.1.1产前诊断2009年2月～2012年7月在本院产前诊断中心行产前诊断的孕妇3039例。其中
This article from 2008 in our hospital detected 21-trisomy fetuses and patients 55 cases were analyzed, the report is as follows. 1 Materials and Methods 1.1 General Information 1.1.1 Prenatal diagnosis February 2009 ~ July 2012 prenatal diagnosis in our hospital prenatal diagnosis of 3039 pregnant women. among them