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Monitoring an Irregular Fetal Heartrate during Labor--any birth professionals please weigh in!

post #1 of 3
Thread Starter 
This question is obviously open to everyone, but I'm especially interested in any birth attendants that have had to deal with this situation before.

My EDD was 2 days ago and I went to see my MW. She noticed an arrhythmia when listening to the baby's heartbeat . At first she wasn't concerned, saying that with most babies it switches right over after they are born, but after listening more, she seemed to think that it was just a little too irregular. So she sent me to L&D to be monitored by an OB that she likes.

Well, 2 NSTs and 2 ultrasounds later, we know fairly confidently that there isn't anything structurally wrong with the heart. The OB himself did a very through u/s this morning and looked at the heart for quite a while, checking out all the valves, in addition to the bloodflow out of the placenta and other things. The arrhythmia didn't seem quite as bad today as it did when I was with my m/w or when I first got into L&D, but it is still there.

Anyway, the OB basically said that most OBs are going to tell you that anytime something is a little weird with the pregnancy, you should switch to a hospital birth, but that its really a personal decision because its extremely likely that this arrhythmia is going to clear right up after birth and not be a concern--we'd probably be just fine at home. The only reason to hospital birth is to be just a little more cautious and to be somewhere where they can use u/s, fetal scalp monitors, etc. instead of just a doppler to monitor.

Anyway, my question is this: we feel fairly confident, after doing some research on fetal arrhythmias, about proceeding with the homebirth. the issue is, if the heartbeat is already a little irregular, how does one know when listening during labor whether it is the "normal irregular" or an irregular that indicates a need for transfer?
This is something that I'll be talking to my mw about this week end, but I wanted to get some other opinions as well.

Thanks.
post #2 of 3
Ok--

first, arrythmic heartbeat is a normal finding in babies (newborn and also in utero), and is really not that uncommon. Not exactly common, but not rare, either. I know you know this but I'm repeating for emphasis It sounds like your baby's arrythmia is more pronounced than some (some get missed, I'd guess); it also sounds like you have sensibly done all that a cautious, informed parent can do, to ensure that you are looking at a 'normal arrythmia' and not a 'heart defect'. So, based on those 2 things, I'd say--it really doesn't sound like there is any need to give birth anywhere but home if you still want to.

2nd--a transfer to hospital care, IMO, would be quite a bit more than just 'a bit more cautious' with respect to heart monitoring and such. Quite a bit more anxiety! Quite a bit more intervention-happy, because knowing that you come to care with this little variation, I would think it would be hard for the docs to remain calm and let you labor in peace. Can we just say--IMO, your chances of needless surgery in this scenario just tripled from the already excessive norm for csec rates. And of course, if THEY are more anxious, then YOU are going to be more anxious, not less anxious about being in the hospital! Well, so I would imagine, y'know? And elevated stress is physiologically and emotionally bad for laboring moms and their babies--elevated stress is probably one of the worse things you can do for either or you. You probably have already thought of this too....but again, repetition can be helpful (sorry if it's just annoying)!

As for answering your actual question -- I think you and your mw will know, if baby's heart is not standing up to labor 'normally enough'. I am not expert on this particular thing--but I'm thinking if I were dealing with this in a client, I'd be expecting the arrythmia to (possibly) be more pronounced during the more intense moments of labor--and looking for a reasonable return to baseline fairly readily when the waves back off.

During 2nd stage in particular for *any* healthy baby who is handling labor plenty well enough, you may or may not see heartbeat return to 'usual rate and rythm' in between contrax. But, you should see heart rate rise above 100 reliably and fairly readily during the rests. You should also see a decrease of the arrythmia (well, IF the arrythmia gets more pronounced during the intense late-labor/2nd stage contrax, THEN I'd expect that arrythmia to 'return to it's own normal' during rests just as I expect heartrate to 'return to normal', iyswim).

I would think that you being comfy during labor, feeling safe and supported, knowing what your backup plans are....all the usual for normal birth, really! will be enough to serve you and your mw well in knowing how this baby is handling labor.
post #3 of 3
Thread Starter 
Quote:
Originally Posted by MsBlack View Post
Ok--

2nd--a transfer to hospital care, IMO, would be quite a bit more than just 'a bit more cautious' with respect to heart monitoring and such. Quite a bit more anxiety! Quite a bit more intervention-happy, because knowing that you come to care with this little variation, I would think it would be hard for the docs to remain calm and let you labor in peace. Can we just say--IMO, your chances of needless surgery in this scenario just tripled from the already excessive norm for csec rates. And of course, if THEY are more anxious, then YOU are going to be more anxious, not less anxious about being in the hospital! Well, so I would imagine, y'know? And elevated stress is physiologically and emotionally bad for laboring moms and their babies--elevated stress is probably one of the worse things you can do for either or you. You probably have already thought of this too....but again, repetition can be helpful (sorry if it's just annoying)!
Yeah, although this OB seems to be fairly open to being hands-off (or at least that he would be in a normal pregnancy) and was pretty awesome in regards to not bashing our choice to homebirth (I think many OBs would have said "yes, you need a hospital birth" just because they don't agree with homebirth), I do think its highly likely that I'd end up sectioned in the hospital...whether I started off there or not.

My mw has a lot of experience and I trust her, but I really hope that she'll trust herself enough to not freak out during labor so that we end up with an unnecessary transfer. My last labor was only 8 hours though. I'm hoping for a slightly shorter one this time--less time to worry.
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