thread: 12 week scan!! which date do i use?

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  1. #1
    Registered User

    Jan 2009
    i live in sale, victoia!
    18

    thing is i have been confused about dates from day 1, as i assumed going off my LMP i was 7 weeks, so got a scan that day and they dated me at 5w4d, so we went off the 5w4d, going off that i am 12 weeks today and then i had my scan today and now they have put me forward to my original dating from my LMP so 13w3d. it is so confusing! hope that made sense???

  2. #2
    Registered User

    Jun 2010
    Tiny Town
    4,675

    Are your cycles very regular? Like could there be a good chance you ovulated later and that's why it came up as 5w4d?

  3. #3
    Registered User

    Jan 2009
    i live in sale, victoia!
    18

    no my cycles are very regular! that's why i was confused when they put me back at the first scan!
    With everyone of my pregnancies going off my LMP has always been correct! i don't know!

  4. #4
    Registered User

    Jun 2010
    Tiny Town
    4,675

    Ok... So if the first scan never happened, you'd have thought all along that you're at 13w3d. Is there a chance the sonographer for your first scan made a mistake? Wasn't very experienced? It's just that those early ones are usually more accurate, but seeing as you've got definite dates and the second scan matches them... I dunno!! Lol sorry I'm not much help. Could you take copies of both scans back to your GP and see if they can see if one of them is out on dates?

  5. #5
    Registered User

    Jan 2009
    i live in sale, victoia!
    18

    yeah my doc gets copies but i don't see him for another 4 weeks. to me it would make sense to go with my LMP which matches this latest scan but i guess i will have to wait and see! lol i am just impatient. there is a chance the first scan was wrong, as with my scan today she checked the length/dates a couple of times and was the same every time. i dunno!

  6. #6
    BellyBelly Member

    Mar 2008
    Kurri Kurri
    1,715

    I would go from your LMP. At least you know that is accurate.

  7. #7
    Registered User

    Jun 2010
    Tiny Town
    4,675

    Lol you poor bugger, makes it very confusing!! Personally I'd go with the dates that match your LMP, you seem pretty certain about it. And then if everything else from here matches up with those dates stick with it. But I suppose in the back of my mind I'd have the later dates too, so I don't get too stressed about going overdue. Good luck!

  8. #8
    BellyBelly Life Subscriber

    Jan 2006
    11,633

    I'd go with your LMP in that case - doctors just often trust machinery more than women's bodies...
    At least the other date is the 'right' way for you - you'll proably just end up going early compared to their dates, rather than getting pushed into an induction.

  9. #9
    Registered User
    Add JennaJayen on Facebook

    Oct 2008
    Kallangur, QLD
    1,390

    Go with your LMP dates darl, as all it takes is for the sonographers to be a little bit out in their measurements and you'll get completely different dates (and in those very early days of your first scan half a mm or 1mm can throw the dates out quite a bit).

    BTW, I used to live in Sale too Not too bad a place to live, at least compared to the town I'm in now lol, we don't even have a Sam's Warehouse anymore