Data suggest fetuses with congenital heart disease (CHD) have placental abnormalities. Their abnormal placental vasculature may affect fetal placental blood flow, which has not previously been explored.

中文翻译：

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患有先天性心脏病的胎儿在妊娠中期胎儿胎盘血流量减少。

数据表明患有先天性心脏病 (CHD) 的胎儿有胎盘异常。他们异常的胎盘血管系统可能会影响胎儿胎盘血流，这在以前没有被探索过。