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目的探讨胎儿永久性右脐静脉的超声特征及预后.方法对2007年7月~2011年9月我科8712例孕妇行产前系统检查,第一位检查医师发现永久性右脐静脉时,请上级医师再次复查核实,建议并发其他结构畸形的永久性右脐静脉者行染色体检查.结果产前超声检查诊断永久性右脐静脉15例,永久性右脐静脉检出率0.17%.其中永久性右脐静脉合并多系统畸形 2例,染色体核型异常,终止妊娠.孤立性永久性右脐静脉13例,随访预后良好.结论产前超声检查可以确诊永久性右脐静脉,当发现永久性右脐静脉,应跟踪脐静脉及静脉导管走行,以排除胎儿其他部位结构异常.一般情况下,胎儿孤立性永久性右脐静脉预后较好.而当胎儿永久性右脐静脉合并多种部位结构异常时,应建议行胎儿染色体检查及产前咨询.“,”ObjectiveTo investigate permanent right fetal umbilical vein of the sonographic features and prognosis.Methods From July 2007 to September 2011 families, 8712 cases of pregnant women I do prenatal system inspection, the first check the doctors found that the permanent right umbilical vein, please check again the superior doctors check, advice and other structural abnormalities of the permanent right umbilical vein is line chromosome check.Results Prenatal ultrasound diagnosis permanent right umbilical vein in 15 cases, permanent right umbilical vein detection rate of 0.17%. The permanent right umbilical vein merger multisystem abnormalities in 2 cases, abnormal chromosome karyotype, termination of pregnancy. Isolated permanent right umbilical vein 13 cases, folow-up prognosis is good.Conclusion Prenatal ultrasound can diagnose permanent right umbilical vein, when found permanent right umbilical vein, should folow umbilical vein and vein catheter travel, to rule out other parts of fetal abnormal structure. Usualy, fetal isolated permanent right umbilical vein prognosis is good. And when the fetus permanent right umbilical vein to combine multiple parts structure anomaly, should suggest do fetal chromosomal inspection and prenatal counseling.