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Thread: Given 2 due dates

  1. #1
    Fire Fly Guest

    Question Given 2 due dates

    Im at a loss at to which due dates i should be going by. My original dates going of my LMP say im due on the 23rd of June but the sonographer said i 'O' late so im due on the 1st of July.
    I was talking to FionaJill and she suggested i go off my first date (23rd) because if i go late it gives me a week reprieve and they wont be so keen to induce me which they have buckleys of doing anyway.



    I know they come when there ready but id like to have my records right and my diary is going to have dates all over the place if i keep changing it. My ticker atm says im 17wks but if i go off the Hospitals dates then that means im 18wks.

    Which date would you go by? The sonographer i use is a specialist ob for Nepean Hospital as well so its not like he doenst know what his talking about. He actually said the Hospital would change all the dates but the Ob there said he isnt going to.

    Do i change my ticker or do i leave it?

  2. #2

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    Hi Firefly,
    I also have 2 dates, so i discussed it with my MW and she said to go off the first one, (they are only 4 days apart anyways). But she also said if it was more than 10 days then they would go by the u/s date, but coz its only 4 they arnt worrying as much iykwim.
    HTH,
    Jenni

  3. #3

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    I'd go by ultrasound date. MAkes more sense to me,and I thought it was more accurate that LMP anyway. Maybe you could go for a date in the middle of the two lol.

  4. #4

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    I'd go off LMP if you were sure of your cycle being pretty regular. U/S have a margin of error that gets bigger and bigger the later on you get as each babies individual characteristics start to come out. I was sure of my dates - my scan at 20 weeks showed both a) the head was 22 weeks and b) the leg length was about 18.5 weeks. So each bub is different. Turned out we just had a one with a big head and short legs...

  5. #5
    Fire Fly Guest

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    Thing is i only got one period so i dont know what my cylcles would of been. I may of 'O' late and didnt know it. When the Sonog told me that i went home trying to work out when i would of ovulated but i have no idea. The window is to big to pinpoint.

    Im not concerned about the being induced because i may be 'late', i refuse to get intervention so thats not a concern its just annoying to not know which dates im writting down. I think its more so for my diary and my ticker. Id like it to be accurate and also when people ask its a bit annoying to say 'oh maybe 17weeks maybe 18, depends who you listen to'.
    And the fact that the Sonographer is also a Ob doesnt help, i have a conflict of 2 obs.

    I dont know.

  6. #6
    clare076 Guest

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    How far along where you when the scan was done? If it was before 12 weeks I would go with the 1st, if it was just done I would stick with the 23rd.

  7. #7
    Fire Fly Guest

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    When i went for what i thought was the 12wk scan it turned out i was 10wks 6days instead. Thats when the sonog said i would of 'O' late and that the hospital will change the dates.
    So the next scan that was done wasnt done until i was 13wks 6 days. The sonog i see was away so i had to wait for him to come back. Even at that scan though he said my dates are spot on.

    ETA when i told the ob at the hospital that my dates had changed, he measured my belly and said 'oh i wouldnt of put you at 16wks id put you at 18'. Its rude to swear at professionals isnt it.
    Last edited by Fire Fly; January 24th, 2007 at 11:54 AM.

  8. #8

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    I have been told by numerous sonographers to go off the earliest ultrasound date your'e given as it's the most accurate - hope that helps!

  9. #9

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    Even the earliest ultrasound has 3-5 days error margin (I think that many). Always go by LMP over ultrasound for your own peace of mind, but if they are giving you a later date, take it 'for the books' for the induction issue. Just keep your own date in mind
    Kelly xx

    Creator of BellyBelly.com.au, doula, writer and mother of three amazing children

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  10. #10

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    Yeah - I'd go with the later date as well...that's what I'm doing this time around as I think my actual due date is a bit earlier.
    At least your more likely to go early or on time if you do that! For me it's all a mental thing! hehe.

  11. #11

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    Yep later date from me too I didn't know my LMP but my first scan put me at Oct 28th, my second scan Oct 15th. Jovie came on November 9th.... If the hospital had gone off the second (19week) scan they would have been keen to induce me way too early. As it was I had to fight off induction... luckily I went into spontaneous labour the night before my induction was due to be reviewed (ie coerced into induction...)

  12. #12

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    My lmp worked out to be the 22nd of March, then at my 22week hospital appointment they calculated it to be the 20th of March. Now at my last appointment (31weeks) the midwife worked it out to be the 11th of March. (Everyone following so far???)
    But last week i went for a 4D scan and the sonographer said going by his size(2.2kgs already- big bubba) his due date would be the 5th of March.

    So im kinda abit confused as to which date i should go with, but as they say... bubs will come when he wants!??

  13. #13
    Fire Fly Guest

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    Well for my own peace of mind im just going by the hospital dates.
    I was talking to a friend today about and the more i talk the more i have questions like how does the sonographer know when i ovulated? why cant bub just be a week behind in size.
    So ive changed my ticker AGAIN and its staying that way. I hate not knowing. If only i knew what my cycles were then i could work it out but only having one period doesnt help.

    Hospital dates it is. There sorted.

  14. #14

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    I have this problem too. My GP gave me a date of 17th of June based on the LMP stuff - but she used a 28 day cycle and I'm 31 day cycle. So by my calculations I would be due on the 20th June. At first US I was told due date of 24th June. I was reading my referral for hospital the other day and it has 26th June written on it!!! I've never been given that date, where did that come from???

    Do you think they'll believe me that the due date is 20th June? I'm a bit annoyed that there's a date on my paperwork that has never been mentioned and isn't right. I don't want to run the risk of going up to 3-4 weeks over because their dates aren't right - there are significant risks once over 42 wks as the placenta gets 'old'.

  15. #15

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    And remember some of us have slow cookers and 42 weeks is the normal gestation for us. 5% of babies are born on their due date. So don't worry too much about a date but maybe a month or week? I had no idea of my LMP so tried to rely on u/s and both pregnancies have been way later. Matilda was born 17 days post EDD and Jovie was born 12 days post Edd.

    Feathertop the significant risks is that the placenta will break down or calcify. BUT the normal gestation for humans is 38-42 weeks anywhere in between there. So going to 42 weeks could be normal for someone. If you trust your body you will be fine at the end I would rather have a spontaneous labour anyday than induction based on EDD's.

  16. #16

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    It's only 4 days, I wouldn't stress - and thats even if you go overdue by two weeks, you may go early or on time. The person caring for you will no doubt be vigilant for signs of placental failure although with the current rate of inductions and caesareans you don't hear of it often!!! Have known of many women having very healthy babies 2-3 weeks post dates. A full term pregnancy is officially classed as 38-42 weeks as Christy said - so you are not officially 'overdue' until after then. Post date is what I use when someone has their baby after the EDD.

    To those who want to avoid an induction and have been given an early date, don't forget you can simply say no to inductions. It's your body, your baby and your choice, no matter what date you are given. Ask for compelling evidence that you need to be induced. Sometimes this is hard as I know many women who get given horror stories or even the 'd' word, but this is why it is so important to choose a carer you trust, who you have already asked what their induction procedures are.
    Kelly xx

    Creator of BellyBelly.com.au, doula, writer and mother of three amazing children

    BellyBelly Birth & Early Parenting Immersion - Find out how to have a BETTER, more confident birth experience... guaranteed!
    Want To Be A Doula? Everything You Need To Know

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