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Old May 16th, 2011, 13:17 PM   1
mons75
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Scan side effects or danger?


I have been thinking and wondering about the effects of scans. I would personally not go get a scan if it wasn't for a medical reason or anything to do with safety of the baby somehow.

I have been considering getting a private growth scan to see how big the baby is, at week 37 or 38 since I don't give a hoot about the fundal measurement. Last time I had the fundal measurement done she measured about 4cm above my belly button while I could feel and see kicks far higher than the tape measure. I think sometimes they really don't know what they are doing. Anyway I think its a highly dodgy method that is not at all accurate.

I know growth scans can be out as well but in my mind its more accurate method.

Have anyone come across research that says scans have potential to negatively affect the baby?

Thanks!



 
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Old May 16th, 2011, 13:22 PM   2
abc123x
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I had a scan in the ER, and a follow up the next week, then a private scan that'd been booked weeks prior to all of it, so I asked my doctor about it.

She said that there is no reason or research that shows any problems associated with the repeated scans. I looked it up myself and the only thing that I found was a study that showed that babies with frequent scans tend to be smaller, but that's because they were being done on women who had problems with their pregnancy, and thus were already at risk to have smaller babies.

I have a scan every 4-6 weeks and my baby is doing better than before they started doing them.



 
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Old May 16th, 2011, 13:40 PM   3
SerenityNow
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There was some research done at Yale that found ultrasounds affect brain development in mice.
http://opac.yale.edu/news/article.aspx?id=1755
The Yale study draws no link between the effects in mice and the potential effects in humans, but some autism... activitsts?... think that the type of brain damage that is seen in mice is similar to what is seen in children with autism and believe there could be a link .http://www.autismspeaks.org/science/...ultrasound.php

And many years ago there was a large study done in Sweden that looked back at a bunch (like 100,000) of adults who had had more than 2 ultrasounds in utero. It found they had a higher incidence of left-handedness than in the general population. This study was talked about a lot when I was pregnant with my oldest but it seems to have fallen into obscurity since then. I don't know if it was discounted or if there just hasn't been any additional research in that direction since.

From what I understand the general consensus is that there are so many benefits to prenatal ultrasounds that they completely outweigh any potential drawbacks. And that the drawbacks are theoretical with no causal link.

But, as you know, the accuracy of growth scans can be really mixed. I wouldn't put a lot of stock in one.



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Old May 16th, 2011, 13:54 PM   4
Brieanna
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There is a lot of debate about this and a lot of opinionated people who have their own views. You will find evidence on both sides of the issue and people who feel very strongly one way or another. I would say do what you feel is comfortable.

A lot of my friends (and my father) told me how dangerous it was to have a scan done (after a previous miscarriage and a misunderstanding on a test I wanted to do one) but none of them could tell me why or offer any scientific evidence or studies. My dad also told me I shouldn't let the doctor use a doppler to listen to the heartbeat either BUT he was fine with my mother getting x-rays when she was pregnant with my sister and I.

I researched a bit myself (no I didn't just google it, haha!) and have not found anything that I personally think is from a good enough source to see any valid reason not to get the scan for my own personal feeling of well-being. IMO it was healthier to not be stressed out and to know if there was something wrong with my baby than any risks the scans posed. I would rather know so I could either do something or prepare myself to do something. Luckily everything turned out fine in my case.

I also thought about the fact that doctors scan high-risk pregnancies way more than normal ones and they wouldn't do that if they thought it would be harmful, especially to the babies that are more "fragile".

However, science is always coming up with new findings and they could discover conclusively that it is harmful tomorrow! People used to think smoking was not dangerous and lots of other things like that, so I would say only do what you feel comfortable with. I personally was comfortable getting a scan to check on growth and anomalies around 20 weeks, but I didn't feel comfortable with doing anything more (unless I needed them for medical reasons), because of the possibility that it MIGHT be dangerous, but that is just my view and what I feel comfortable with. I am sure there are some people who are very comfortable with having many scans and some people who don't even want one.

Good luck in your decision and remember only do something you feel comfortable with because it is YOUR pregnancy and baby.



 
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Old May 16th, 2011, 14:00 PM   5
Rachyroux
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Well I didn't think there were but like everything it's two sided, however I really hope not because I've had to have quite a lot of scans.



 
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Old May 16th, 2011, 14:39 PM   6
zippy4
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As far as I'm concerned it's safe, but I know everyone has their own opinion. I have had 15 scans so far and have another on Wednesday - all for medical (cleft etc) or growth reasons (my baby boy is big) xx



 
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Old May 16th, 2011, 14:48 PM   7
lilwelsh1
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my midwife told me that having lots of scans before 24weeks can have negative effects, she didnt state what these effects were but did say the risk of complications was so low it wasnt worth thinking about anyway. I think its safe to say that if u want a private growth scan in late pregnancy then go for it. Since the images are created by sound waves bouncing off the baby its probably not likely to cause problems.



 
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Old May 16th, 2011, 15:03 PM   8
xarlenex
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I had scans fortnightly, then weekly from 20 weeks, then back to fortnightly around 34 weeks. Kyle is absoultely fine! It was for medical purposes though x



 
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Old May 16th, 2011, 15:11 PM   9
BECC4
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We're in the age of health and safety gone mad, there's no way they would allow scans if they even feared health risks. The reason the aforementioned studies have disappeared into obscurity is because they haven't found any conclusive evidence.

Even if there was some tiny chance of damage doing any harm at this stage 36+wks is even less likely as most of the major development has already happened. I think your fairly safe but with everything it's personal preference *shrug*



 
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Old May 16th, 2011, 15:12 PM   10
sequeena
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I've had 8 scans so far (the latest being today) and will probably have another 2 before my son arrives. Mine are for medical reasons (well obviously I couldn't afford 1 private scan nevermind 6 lol!) as my waters broke at 14 weeks. I had weekly scans from 17 weeks to 20 weeks then since 24 weeks I've been having them monthly because everything closed back up but they need to keep an eye on my waters. I honestly haven't thought about the negative effects as I didn't realise there would be any but I only had weekly scans for 4 weeks so I'm sure everything is fine.



 
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