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孕中期血清学筛查在产前诊断及妊娠结局预测中的临床价值 被引量:12

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摘要 目的探讨孕中期产前血清学筛查在产前诊断及妊娠结局预测中的临床应用价值,为临床诊断及预测提供参考依据。方法选取2014年3月-2016年10月南京军区总医院收治并进行产检的1 825例孕中期单胎妊娠孕妇为研究对象,应用时间分辨荧光免疫法对free-β-hCG、μE_3和AFP三联血清学指标进行检测,采用羊水穿刺对高风险孕妇进行筛查、多普勒超声对开放性神经管缺陷高风险患者进行确诊,并对所有孕妇进行随访至产后6个月。结果 1 825例孕中期单胎妊娠孕妇中,筛出高风险103例(5.64%),其中74例孕妇行介入性产前诊断,检出染色体异常4例(5.41%)。35岁以上高风险人群中唐氏综合征、18-三体综合征和神经管缺陷阳性患者不良妊娠结局发生率显著高于低风险人群,差异均有统计学意义(P<0.05)。结论孕中期产前血清学筛查不仅可筛查胎儿染色体及解剖异常,还可预测不良妊娠结局,对高龄孕妇出生缺陷的预防具有指导价值,单项指标中位数Mo M值异常对胎儿染色体异常有预测价值。
机构地区 南京军区总医院
出处 《中国妇幼保健》 CAS 2018年第9期2067-2069,共3页 Maternal and Child Health Care of China
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