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Fetal Growth Measurements

misspuppychowmisspuppychow member
edited February 2016 in 2nd Trimester
Does anyone have knowledge about these? We had a 3rd party gender reveal ultrasound done at 14w2d (just to get pictures - we knew the gender from Panorama). We got measurements, but no interpretation.

BPD: 3.13cm (92.1 percentile)
HC: 9.93cm (29.7 percentile)
AC: 8.45cm (62 percentile)
FL: 1.73cm (68 percentile)

It is my understanding that the BPD is essentially the head diameter while the HC is the head circumference. Is it normal for the diameter to be abnormally large while the circumference is abnormally small? The head looks normal on u/s and my 12w NT/mini anatomy scan at MFM was normal as was Panorama.  Just curious if anyone had insight!

Thank you!
Married 09/2014
BFP #1 11/19/15 | DS 07/16/2016
BFP #2 09/03/17 | EDD 05/17/2018
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Re: Fetal Growth Measurements

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  • misspuppychowmisspuppychow member
    ecwk said:
    misspuppychow said:
    Does anyone have knowledge about these? We had a 3rd party gender reveal ultrasound done at 14w2d (just to get pictures - we knew the gender from Panorama). We got measurements, but no interpretation.

    BPD: 3.13cm (92.1 percentile)
    HC: 9.93cm (29.7 percentile)
    AC: 8.45cm (62 percentile)
    FL: 1.73cm (68 percentile)

    It is my understanding that the BPD is essentially the head diameter while the HC is the head circumference. Is it normal for the diameter to be abnormally large while the circumference is abnormally small? I'm just worried! The head looks normal on u/s and my 12w NT/mini anatomy scan at MFM was normal as was Panorama.

    Thank you!
    This really is a question for your doctor. Anyway if you've had all normal results at testing done by actual medical professionals then why on earth are you worried about results from a "gender ultrasound" boutique? If I were you I'd trust the former. 
    I have never had these measurements done by a physician/doctor. I have had ultrasounds but it was too early for any of these measurements. 
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    BFP #1 11/19/15 | DS 07/16/2016
    BFP #2 09/03/17 | EDD 05/17/2018
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  • huskypuppy14huskypuppy14 member
    This is the problem with boutique ultrasounds and why they are not recommended and many states are banning them. There is no radiologist on site, just techs. You are causing yourself more worry than good. And what was the point if you already knew the sex? If you wait another month, you'll have your anatomy scan and you can get pictures then. If you are concerned, ask you doctor, but she'll probably say the same thing as us.



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  • DrillSergeantCatDrillSergeantCat member
    AC is abdominal circumference and FL is femur length. I can't answer the question about the normality of the measurements though.

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  • peregrinefalconxperegrinefalconx member
    You need to stop worrying about this. It's pointless. At that gestational age, nothing is in proportion. You got your baby's sex. End of story. At 20 weeks, an actual doctor will perform scans and take measurements.
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  • misspuppychowmisspuppychow member
    Sgoldberg247 said:
    Honestly, this is why you dont go to a boutique, you just wait the extra few weeks to find out the sex and not stress yourself out about information that you have no idea what to do with.  I have no idea what my baby's measurements were, just that they were normal according to my doctor and that was enough for me.  If you're concerned you can always give your doctor a call but they may not want to do much with the numbers since they have no idea if they were even done properly since it wasn't their own staff doing it.  

    Eta - I totally missed the bit about knowing the sex from panorama.  What was the point of doing a gender reveal ultrasound when you knew with >99% certainty what the result would be?  I'm just very confused here. 
    My in-laws paid because they wanted the fun ultrasound picture with the arrow saying IT'S A BOY! or IT'S A GIRL! I said sure... who doesn't love an excuse to which their tiny baby wiggle about?
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  • bsckgb7bsckgb7 member
    Found definitions of the acronyms via google.  No idea on interpretation.

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  • kyraaDkyraaD member
    misspuppychow said:
    Sgoldberg247 said:
    Honestly, this is why you dont go to a boutique, you just wait the extra few weeks to find out the sex and not stress yourself out about information that you have no idea what to do with.  I have no idea what my baby's measurements were, just that they were normal according to my doctor and that was enough for me.  If you're concerned you can always give your doctor a call but they may not want to do much with the numbers since they have no idea if they were even done properly since it wasn't their own staff doing it.  

    Eta - I totally missed the bit about knowing the sex from panorama.  What was the point of doing a gender reveal ultrasound when you knew with >99% certainty what the result would be?  I'm just very confused here. 
    My in-laws paid because they wanted the fun ultrasound picture with the arrow saying IT'S A BOY! or IT'S A GIRL! I said sure... who doesn't love an excuse to which their tiny baby wiggle about?
    That seems ridiculous to me, considering you guys already know what the sex of the baby is. now because of their need to have a "fun US picture", you're needlessly confused & worried. anyways, these are questions you should be asking your doctor instead of hopping on TB & asking a bunch of strangers. none of us here are trained to interpert US sonograms/results/etc. 
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  • goldie987goldie987 member
    misspuppychow said:
    Sgoldberg247 said:
    Honestly, this is why you dont go to a boutique, you just wait the extra few weeks to find out the sex and not stress yourself out about information that you have no idea what to do with.  I have no idea what my baby's measurements were, just that they were normal according to my doctor and that was enough for me.  If you're concerned you can always give your doctor a call but they may not want to do much with the numbers since they have no idea if they were even done properly since it wasn't their own staff doing it.  

    Eta - I totally missed the bit about knowing the sex from panorama.  What was the point of doing a gender reveal ultrasound when you knew with >99% certainty what the result would be?  I'm just very confused here. 
    My in-laws paid because they wanted the fun ultrasound picture with the arrow saying IT'S A BOY! or IT'S A GIRL! I said sure... who doesn't love an excuse to which their tiny baby wiggle about?
    I actually prefer to not subject my baby to unnecessary ultrasounds, I would have turned down a "fun ultrasound" and told my in-laws to deal.  Plus, if they wanted the picture they could have waited until the anatomy scan where most doctors offices will gladly put a little arrow with a label if you want, mine did without me asking.  In the end, it was an unnecessary scan done because someone couldn't be patient and wait another 4-6 weeks and now you're freakng out because they gave you medical information that you have no way of properly interpreting.  This is exactly why multiple states forbid these types of businesses, they can cause more trouble than they're worth. 
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  • stillcozystillcozy member
    As hard as it is OP wait to be concerned until you talk to your dr. The reason they haven't done them yet is because everything is still growing and developing and they tend to not look until the anatomy scan as they have baseline measures there to compare it too. 

    They will measure and look into detail every inch of little ones body. Consider the boutique some fun pictures but do not get yourself all worked up :) go with what you dr told you last you have a healthy baby :) that is what matters! 
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  • SisterMaryNapalmSisterMaryNapalm member
    This is definitely something to discuss with your doctor. I will say this for measurements though: the techs are not always created equally. The difference of a millimetre here or there can change the percentile hugely. Where I'm from (outside US) they convert the centimetre lengths into weeks and days gestation.

    Because I'm a twin pregnancy, they always give me a senior sonographer because it can be difficult to get measurements properly with 2. Even the seasoned sonographers (one of whom was an OB) had to take measurements multiple times to get the "correct" one. Their "worst" measurement was out nearly 3-4 weeks. The boutique places most likely won't have that kind of experience and/or knowledge simply because their clientele is for sex reveals etc. These measurements can be off by 2 weeks gestation either side (at least for twins, I'm not sure if it's the same for singletons but I think so).

    I would really not worry yourself because the likelihood is that they were just not taking precise measurements which is difficult at this gestation anyway. If it helps, later on in pregnancy they (according to my OB) really like to look at abdominal circumference and use the other measurements as confirmation there is/is not anything wrong. 

    TL;DR: Probably nothing to worry about. Make sure you go somewhere with highly qualified sonographers/doctors for your anatomy scan. 
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  • misspuppychowmisspuppychow member
    I'm high-risk so my OB is letting MFM do my anatomy scan :) Just thought I'd see if anyone on here had any insights. On a previous board, there were several sonographers who would share their thoughts.
    Married 09/2014
    BFP #1 11/19/15 | DS 07/16/2016
    BFP #2 09/03/17 | EDD 05/17/2018
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  • jonesl12jonesl12 member
    The percentiles aren't going to be accurate at that stage. 
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