head and CRL measuring different weeks

Discussion in 'Pregnancy - Second Trimester' started by porkpie1981, Oct 5, 2008.

  1. porkpie1981

    porkpie1981 Well-Known Member

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    As may all know ive had bleeding on and off. Everytime i go to the hospital the baby is fine :happydance:
    I finally was given my hospital notes and ive been able to get a pic of last weeks scan. Now i thought that they had put me forward to march 19th as thats what they said last week but apperently the head measurement gave me a EDD of the 19th whereas the CRL is the 25th. :hissy::hissy::hissy: This is driving me nuts as my dates are always getting changed.Do u think a weeks difference is anything to worry about?

    P.S U can see the dates and measurements in the scan pic

    https://i222.photobucket.com/albums/dd275/secretwomenuk/blinkies/14or15weekscan.jpg
     
    #1 porkpie1981, Oct 5, 2008
  2. Mo_mo

    Mo_mo Third tri!!!

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    apparently from what ive read the head measurement (bpd) is more accurate than the crl.
    Im sure they would have told you if it was something to worry about.
     
    #2 Mo_mo, Oct 5, 2008
  3. izzy29

    izzy29 Well-Known Member

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    My dates keep differing by a week too but I am just going by the original one which puts me further on, prob wont make a difference but mentally its better for me!
     
    #3 izzy29, Oct 5, 2008
  4. porkpie1981

    porkpie1981 Well-Known Member

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    I hope so as they put me 2 weeks back at the start of my pregnancy so i was pleased when it went 1 week forward. Just have to wait to my 20 week scan i suppose
     
    #4 porkpie1981, Oct 5, 2008
  5. VicLl

    VicLl Pregnant with 2nd baby

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    My baby's measurements are slightly out from each other too and I don't think it's much to worry about. My dates have changed three times, but I know when I ovulated so I'm sticking with my own information.
     
    #5 VicLl, Oct 5, 2008
  6. hellotasha

    hellotasha Loves Her Baby Girl. X

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    yeah mine were like that & the midwife said with all the dates they get a estimate from them, she said when its only a few days ect its fine x
     
    #6 hellotasha, Oct 5, 2008
  7. ajarvis

    ajarvis Well-Known Member

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    I've always been told by doctors, and have read, that the earlier the scan the more accurate later on they get less acurate for dating purposes.
     
    #7 ajarvis, Oct 6, 2008
  8. plumpnpretty86

    plumpnpretty86 Mother of 1&in 3rd trim.

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    Yah i wouldn't worry about it, and once you get to about 30 weeks when they do the measurements they can be off by a week or over by a week, If it is anything to worry about they will tell you. No Worries:)
     
    #8 plumpnpretty86, Oct 6, 2008
  9. ashdan

    ashdan Well-Known Member

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    What does everyone think of these measurements in terms of accuracy?

    12 weeks exactly- CRL 51mm and 53.7mm on the same day....
    19 weeks exactly- BPD 43mm, FL 27mm and HC 159mm

    what have everyone else's measurements been? I can't find anything consistent on websites.
     
    #9 ashdan, May 18, 2010
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