thread: Baby Weight Estimation - how accurate was yours?

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  1. #1
    Registered User

    Aug 2007
    299

    Baby Weight Estimation - how accurate was yours?

    Hi Ladies,

    Just needing a bit of feedback with your experiences of the ultrasound prediction of your babys birth weight and the actual result.

    Just had an appointment with my Ob who estimates that Bubs is already at 7.5pound and she's talking high possibility of c-section cause I'm quite a petite size. I feel dissappointed cause I really want a natural birth and know that I still have every capability of delivering naturally regardless of size, and also that the ultrasounds are just an estimate. But i'm still feeling a bit dejected about the whole thing.

    So, how big were they saying your baby was going to be, and how big did it really end up being?

    Would love to hear feedback on this.

    Thanks heaps

    Jules

  2. #2
    Registered User

    Jul 2007
    Melbourne
    3,660

    Can I kick your Ob?
    They are all about the theatre aren't they?

    Prediction scans are highly inaccurate - often lower or higher than predicted size. I'm sure there'll be many people that will come in here and reinforce the idea of not listening to your Ob so I'll just say

    Your body will not make a baby that you cannot birth!

    I'm going to find another thread to show you!

    ETA: Think you're too small?
    Last edited by The[cookie]Doctor; July 2nd, 2008 at 01:21 PM.

  3. #3
    Registered User
    Add Marlene on Facebook

    Jul 2007
    Dapto, Illawarra...NSW
    2,009

    I was told that my baby was "above average" size and would probably be quite a big baby. He weighed 7pounds 3oz. I have heard so many stories of women being told the that their baby was going to be big and they have not been born big at all.

  4. #4
    BellyBelly Life Subscriber

    Feb 2006
    melbourne
    11,462

    i was told id be lucky if sophie was 6lb as my bump was so compact, she ws 7lb5oz!
    id ignore you ob!!

  5. #5
    Registered User

    Jan 2008
    Just Coasting
    1,794

    I had a scan at 37 weeks and was told bub's size was in the 95th percentile (so up the high end of normal). She was born a week later 3410gms (7lb8oz). I has expecting at least an 8.5 pounder

  6. #6
    Registered User

    Apr 2008
    Melbourne
    6,745

    I was told "bigger than average" so was expecting 8lb or more..... she came out at 6lb 7oz!!!! The OB said "hmmm more petite than I anticipated"

  7. #7
    Registered User

    Feb 2004
    Melbourne
    11,171

    I was given a prediction of 3.2kg (just over 7lb) for my DD and she was 4.485kg (9lb 14oz) when she was born. HUUUGE difference there.

  8. #8
    Registered User

    Jul 2006
    Brisbane
    3,205

    Your body will not make a baby that you cannot birth!

    Was going to say EXACTLY the same thing!

    I didn't have the size guessed via ultrasound, but the midwife did take a punt by feel and she was guessing around 7 pound but he was in fact a teeny 5 pound 12!

  9. #9
    paradise lost Guest

    My scan (to check for placental function but the technician did a measurement anyway) said DD was 7lbs14. She was 7lbs14.5 BUT that means she only gained 0.5oz in the 6 days between the scan and her birth when I put on 1.5kg!!! It is seriously a load of crap. When they get it right it was luck, pure and simple - it's like guessing how many sweeties in the big jar, even if you got good enough to be right within a tolerance of 50 either side of the true number, you wouldn't stake your life on it, let alone someone else's!

    Bx

  10. #10
    Registered User

    Mar 2006
    4,542

    My OB was pretty much on the money with Olivia's birth weight estimate. He said to expect about a 4kg baby and she was 3850gm so pretty close.

  11. #11
    paradise lost Guest

    Jules you don't HAVE to have a section, no matter what. So even if he says you have a 23lb baby in there, you don't have to consent to a section if you don't want one. It's your baby, your body, your birth - NOT your ob's, he is EMPLOYED by you (or on your behalf if you're Public).

    Best of luck.

    Bx

  12. #12

    for my last born I was told 4lb 11oz (from memory), starting having contractions the afternoon of that ultrasound and 40 odd hours later a 5lb 13oz baby was born.

  13. #13
    Registered User

    Mar 2008
    S.E Suburbs, VIC
    698

    Dont Listen To Your Ob

    I'm with Ash and wanna kick him/her, lol.
    My sisters pelvis was too small to deliver her girls but both times they let her try naturally first.
    A c-section is major abdominal surgery and you want to avoid it at all costs, i say go naturally and if a problem arises and u have no other choice then so be it but best to give your body a go at it first. I'm small and i had a 8pound12.5oz baby.
    As for the weight estimate, my friend was told her baby was going to be huge (9pound or something) and she had a 6pound something baby. They are highly inaccurate.

    Good luck and fingers crossed that you have a natural birth

  14. #14
    Registered User

    Jan 2008
    Just Coasting
    1,794

    Kirra, love the name you've picked for bub #2.
    My cheeky bubba is Charli Monique.

  15. #15
    Registered User
    Add fionas on Facebook

    Apr 2007
    Recently treechanged to Woodend, VIC
    3,473

    I didn't have a sizing scan. My ob felt around and predicted "a good-sized baby" between 8 and 9lbs and to buy 000 clothes. She was 8lbs 10oz. He doesn't need scans. Oh, and to be honest, I didn't even realise that weight was big - she was on the 90th percentile. Ignorance is bliss.

  16. #16
    Registered User

    Aug 2007
    299

    thanks ladies - feeling a bit better, and hope that bubs decides to come earlier so we don't even have any other option except a natural birth.

    Still feeling a bit down, but also feeling that whatever is meant to happen will. Am doing positive visualisations and honestly feel that bubs isn't as big as the Ob says and that we'll prove them all wrong in our own way and time.

    here's hoping anyways.....

    thanks again