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怀孕多少周可以去看b超
更新时间: 2020-11-04 00:00:00  

一般来说怀孕5周左右彩超就能够发现孕囊,6周左右就可以看到原始心管的搏动了。B型超声测量指标有胎儿颈项部透明层,即NT,和胎儿鼻骨等,可以作为孕早期染色体疾病筛查的指标。彩色多普勒超声可见胎儿心脏区彩色的血流,可以确诊为早期的妊娠、活胎。

关键词: 怀孕 多少 可以

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