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怀孕多少天查出胎心

更新时间: 2020-11-04 00:00:00     

正常情况下,在怀孕8周左右,通过多普勒检查,可以检查到胎儿的胎心。在怀孕17-20周时才可以在腹部用一般的听诊器听到胎心。医生通过胎心速率的变化,可以判断胎儿在宫腔内的情况,正常的胎心是120-160次/分,胎心过快或者过慢都表明胎儿在宫内有缺氧情况,需要考虑分析缺氧的原因,及时纠正和采取措施治疗。在孕期孕妇要按时做孕期检查。

关键词: 怀孕 多少 查出

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