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  1. #1
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    Default How do they estimate how big your baby will be?

    I was just wondering how and when do doctors estimate how big your baby will be at birth? I'm 23 weeks now and I've been told I won't need to have any further scans unless they are worried about something...
    But i've heard of people saying that their doctors were able to estimate the weight of the baby... but i don't know how or when this can be done??

  2. #2
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    only way i have heard is by scans but somebody can tell me otherwise.
    scans are quite often wrong in judging how big the baby will be.

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    I'm not sure how the scans can tell the weight but my babies weight estimate was spot on, I delivered the week after my scan at 36 weeks.

  4. #4
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    My dr had pretty much been spot on with my first two (9p 4o and. 8p 4o). He just had a feel around and starts guesstimating weight anywhere from about 36 weeks. I guess they have been doing it for that long they just get to know!!


    Sent from Mel's iPhone using Bub Hub app

  5. #5
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    If there is a massive jump in fundal height (I really don't trust fundal heights, mine was measuring 24 weeks at 17 weeks, but my doctor said so long as it increases at the expected rate then that is what matters) and the doctor can also feel around to make a guess.

    I was sent for a sizing scan at 38 weeks because a scan at 32 weeks to check on DS's kidneys showed he was already measuring 6lb2. At 38 weeks he measured 8lb6, and was born at 39w2d at 9lb so my scans were accurate. During the scans they measure the femur, stomach and head.


 

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