During pregnancy, if your doctor suspects that your baby has a congenital heart defect, a special test called a fetal echocardiogram can be done.是什么意思_During pregnancy, if your doctor suspects that your baby has a congenital heart defect, a special test called a fetal echocardiogram can be done.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句