心率和怀孕周数表
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<br/>这也是我经常参考的一个表,感觉也挺有用的,共享一下。
![em25 em25](static/image/smiley/emot1/em25.gif)
<br/>http://www。buzzle。com/articles/normal-fetal-heart-rate-chart。html
<br/>摘自
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<br/>Fetus Age/ Size of the Fetus Normal Fetal Heart rate
<br/>2 mm embryo and gestational sac diameter of 20 mm 75 bpm
<br/>5 mm embryo and gestational sac diameter of 30 mm 100 bpm
<br/>10 mm embryo 120 bpm
<br/>15 mm embryo 130 bpm
<br/>5 Weeks (Beginning) 80-85 bpm
<br/>5 Weeks starts at 80 and ends at 103 bpm
<br/>6 Weeks starts at 103 and ends at 126 bpm
<br/>7 Weeks starts at 126 and ends at 149 bpm
<br/>8 Weeks starts at 149 and ends at 172 bpm
<br/>9 Weeks 155-195 bpm (average 175 bpm)
<br/>12 Weeks 120-180 bpm (average 150 bpm)
<br/>After 12 Weeks