Slower Heartbeat

posted 2 years ago in Pregnancy
Post # 2
Member
1691 posts
Bumble bee
  • Wedding: November 2013

Turtle83:  I don’t know much about fetal heart rates, but I do work in healtcare, and I can tell you heart rates flucuate all day all of the time. If you take your heart rate now and 10 minutes from now it would probably be different. I wouldn’t worry about the variation as long as the number is acceptable.

Post # 3
Member
3756 posts
Honey bee
  • Wedding: April 2014

Fetal heartrate fluctuates and it’s very early right now for you. Also like she said, different machines, different techs, can yield different results. I would try not to worry. 

Post # 4
Member
261 posts
Helper bee
  • Wedding: April 2013

At all of my ultrasounds, the heartbeat was the 160s. At the office on the portable machine, it’s in the 140s. Think there’s truth to the different machines thing.

Post # 5
Member
2839 posts
Sugar bee
  • Wedding: June 2013

Different machines definitely will measure differently. In my last pregnancy, I measured 5w6d on a portable machine and about 12 hours later, I measured 6w1d on a better ultrasound machine. At that size, they really are so tiny that the tech clicking in a slightly different area can make the difference between one day and the next. Measuring one day behind is well within normal limits. There is also always a possibility of technician error measuring the heart rate. I went to the ER at 10 weeks after some spotting and the tech told me that the HR was 100. (Which would be perfectly normal at six weeks, but pretty awful for ten weeks.) I freaked out, and she was like, “well, I’ll measure it again.” Thirty seconds later, it was 160. I think the first time, she clicked on the wrong area and wound up measuring my heart rate. 

It is so, so scary to be pregnant after losses, but honestly, measuring in the right range (off by a couple of days in either direction is the right range) and seeing a heart rate are both excellent signs. I hope the week passes quickly and you get to see a perfect bean at the next scan! 🙂

Post # 6
Member
2839 posts
Sugar bee
  • Wedding: June 2013

Also, for what it’s worth, my OB didn’t even measure the heart rate this time at my first appointment. He just looked at it and was like, “yeah, that looks good” because he knew I’d be on google the second he left the examining room, and probably working myself into a lather no matter what the number was. Having a lot of information can be good, but it can also make you unnecessarily anxious. I don’t want to be all “just relax!” because I totally get how nerve-wracking early pregnancy after loss is. But if your doctors aren’t worried, that’s usually a good sign that you should try not to worry yourself. Sending big internet hugs!

Post # 7
Member
863 posts
Busy bee
  • Wedding: June 2012

Hi, I had the same problem, although without the higher heartbeat measurement – 96 bpm at 6 weeks. I asked Dr. Google a lot of questions, and here’s a summary;

– lots of sources say 90 to 110 bpm is the “normal” range for 6 weeks;

– one radiological study that I thought was quite good placed the 90-100 range at 6 weeks in the “borderline” group, which had a “slightly elevated” risk of miscarriage (8 percent higher) than a non-borderline heart rate, with miscarriages occuring within one week of the measurement. If a subsequent normal heartrate was measured, there was no longer any increased risk; 

– there was tons of anecetdotal stories that went in either direction, but the mid to high 90s seemed to have a lot better prognosis than those in the 80s. 

For me, we had a follow-up ultrasound 10 days later and it was horrible horrible horrible to wait and Google and wait. Our next ultrasound was totally normal, and I am still pregnant at 11 weeks. So in my opinion, especially with one totally normal measurement, your prognosis is really good and at most you’re looking at a slightly increased risk. That said, I know firsthand how much it sucks! 

Oh also, there was lots and lots and lots of material that said that heartrate varies from machine to machine and time of day and so forth, so I wouldn’t even put you truly in the “borderline” category. 

Post # 9
Member
2320 posts
Buzzing bee

Turtle83:  I think everyone answered better than I could, so I’ll just echo what PP’s said. At 6+3 I think both are great heart rates, and you’re lucky you saw them so soon! I also wanted to say congratulations, and my fingers are crossed for you! It’s a very big hurtle you’ve come across getting to a heartbeat!

Post # 11
Member
2782 posts
Sugar bee
  • Wedding: November 2013

Turtle83:  I have never had a heart rate that low in pregnancy (baby’s) BUT I do not think it’s strange at all that the heart rate was higher and then lower– they really do fluctuate all the time.  If they’re moving it’s faster (although I know this is early)— but fluctuating is norm!

 

DR’s are usually pretty up front about that kind of stuff- I don’t think they’re going to shine you on- and neither one seemed concerned!  

Post # 12
Member
2614 posts
Sugar bee
  • Wedding: March 2013

Turtle83:  First of all, CONGRATULATIONS!!!!! I’m so excited for you. I have every part of my body crossed for you, promise!! I know how difficult a journey it has been for you so far, and from experience I know it is impossible to relax once you are pregnant. 

I won’t comment on the heartbeat because I don’t know. I will say, though, that knowledge really isn’t power. I regret the all the I did during the last pregnancy because it just added to all the stress and doesn’t change the outcome. I know one thing, I won’t put myself through it next time. There is no way of really knowing that all is ok and you have to trust your doctors when they say all is good right now. I know it is impossible to relax but stay away from google!!! I am thinking of you every day and hoping and praying that all works out for you and your LO xxx 

 

Post # 13
Member
1588 posts
Bumble bee
  • Wedding: March 2012

Turtle83:  At 6 wks the heart is just starting and the baby is so small it is hard to get an accurate reading.  I had the same experience with a non portable machine and that is what my doctor told me. As long as your levels are doubling and your doctor is not worried then you should not either.   Congratulations again!

Post # 15
Member
2614 posts
Sugar bee
  • Wedding: March 2013

Turtle83:  Actually that helps…Reminding yourself that today you are pregnant and all is good now. I remember asking another girl on 1+ (Willow) about this because she was all but told that she couldn’t have children naturally and then she did concieve naturally. She said she had a lot of anxiety during the pregnancy. It is completely natural to feel the way you do especially after a scare. But luckily that doesn’t mean that anything is actually wrong. 

I’m actually doing well, for the first time in a long time I think and I feel like I’m actually much closer to my rainbow baby 🙂

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