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先天性心脏病的发生率在活产胎儿中约占0.5%～1.0%,在死胎中可高达3%,产前诊断胎儿先心病对于高危儿的临床处理具有重要意义。
The incidence of congenital heart disease in live births accounted for about 0.5% to 1.0%, up to 3% in stillbirth, prenatal diagnosis of fetal congenital heart disease for high-risk clinical treatment of great significance.