Heart beat 9wks?

collettejs

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Hi ladies. Just want some feedback for comparison.

I had a u/s at 7wk and saw hb of 147 bpm.

Yesterday at 9wks we saw the hb again but it was only 145 bpm. Baby was moving and everything seemed ok.

Is this normal? Most thing I have read says it shoudl be aroung the 170 bpm and then should drop at about 12wks to the 140 bmp.

Feedback is appreciated.
 
I can't really say for certainty. I don't know enough about it.
What I do know is that a boy's hb will differ from a girl's.
I don't know if it's something that would happen that early on but maybe?
 
its perfectly fine =] my guess is you are having a boy!
 
I looked it up and found this:

Starting at week 5 the fetal heart will accelerate at a rate of 3.3 beats per day for the next month.

The fetal heart begins to beat at approximately the same rate as the mothers, which is 80 to 85 bpm. Below illustrates the approximate fetal heart rate for weeks 5 to 9, assuming a starting rate of 80

*

Week 5 starts at 80 and ends at 103 bpm
*

Week 6 starts at 103 and ends at 126 bpm
*

Week 7 starts at 126 and ends at 149 bpm
*

Week 8 starts at 149 and ends at 172 bpm

At week 9 the fetal heartbeat tends to beat within a range of 155 to 195 bpm.

The fetal heart rate will begin to decrease and generally will fall within the range of 120 to 160 bpm by week 12.
 
Wow…..that kinda makes sense. I went through IVF and when I went in for egg collection, the nurses said I had a lower but good heart rate and asked if I did a bit of exercise. Which I do (I like to eat… :)) and if I didn’t I would pile on weight. So if it is based on my heart rate then that could be the reason bubbas is slightly slower.
 

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