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Question

How early can they detect a heart beat?

So dating from my LMP I'll be coming into my 8th week of pregnancy but I'm having a dating scan on the 7th of July. I'm just wondering can they detect a heart beat that early on? I'm just a little worried because back in 2011 I had a blighted ovum and they couldn't detect anything but the sac of corse. Hmmmmm


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9 Answers • 9 years ago


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Usually between 6-7 wks if using a vaginal ultrasound. I saw mine with #1 at 5.6 wks. With #2, I didn't have an u/s until 8.3 wks & saw a HB & her squirming away! Relax & enjoy your pregnancy! Best wishes!

9 years ago


Thank you for answering :)


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9 years ago • Post starter


I have read Typically this cannot be heard with even a Doppler until the 9-10th week of pregnancy at the earliest, sometimes not until the 12-14th weeks of pregnancy.


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9 years ago


No, the fetal HB can't be heard with a Doppler until the end of the 1st trimester, however, it can be seen on vaginal u/s as early as 6 wks (sometimes a few days before).

9 years ago


You will be alright at 10 weeks wen u go so u should be fine. Good luck I hope it goes well for you.


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9 years ago


The heart starts beating approximately 21-22dpo, so 5 wks, it can be seen within a few days after via ultrasound. As for hearing it via doppler, thats gonna depend on the mhz of the probe ur using and ur overall size. I was listening to my son at the doctors at 10wks and this pregnancy at home on 8w5d, both loud n clear. Possibly couldve been a few days earlier but it hadnt arrived in the mail til 8w5d. Definitely not common with everyone so dont feel even slightly discouraged if u dont hear it before 12ish weeks. My dating scan was 8wks and the heart was very visible and audible via transvag...they dont scan abdominal here before 12wks.
Good luck! =))


9 years ago


Yes! I forgot to mention that while it can't be heard as early with a Doppler, you can hear the HB with a transvaginal u/s! I heard both of their heartbeats for the first time at 5.6 & 8.3 wks! It truly is music to your ears! Enjoy!

9 years ago


Thank you everyone for your answers :)
Lol I should have worded it better.. I'm now 6w 2d APROX and when I get my scan if I am infact that far along now I'll be coming into my 8th week when I go for the scan


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9 years ago • Post starter


I'm going to be 8 weeks and getting my first ultrasound on the 5th. :) And you should see the HB with a vaginal ultrasound, and I think they usually do those with dating scans? I think that's what I'll be getting, but not sure, I am nervous I've never had a vaginal ultrasound before lol sounds awkward, but I'll be happy to see a heartbeat!! Good luck to both of us!! :)

9 years ago


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