2020-07-10 21:17发布
孕22周，做四维，检查出脐动脉两条，脐带血流S/D:3.37RI:0.70.请问这个是正常的吗。胎儿脐静脉腹段探及范围约22.9?17.3MM的无回声区，内见血流信号，怀疑有脐静脉扩张。请问这个是怎么... 显示全部
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