Ulrasound Could Be Wrong For One Month Old

8 Replies
???? - April 15

just wondering if the ultrsound could be wrong for a month?


tiffani~edd 11/07/05 - April 15

Wrong in what way???


Boobs - April 15

If it's about the baby size, then most likely not. That is equivalent to 4 weeks' development and in the first trimester these are big steps.


??? - April 15

wrong in the size and age of the fetus .i mean i think my baby are one month older in what they think because of my last lmp but they told me that my baby are 11 week but base in my lmp its 15 weeks its kind of make me compused


grandma - April 29

my daughter thought she was 27 weeks pregnant, but after a ultrasound they told her she was 30 wks. How accurate are the estmate of gestation?


:)))) - April 29

Grams your back


April - April 29

mine was almost dead on.. but only because i knew my exact conception date. When the doctors went by the date of my last period they said my due date was July 11. I told them I knew my conception date (Oct 24) so when they went by that they said July 16. I've had two ultrasounds.. one at 21 weeks and one at 25 weeks and they've both said that July 18th is my due date. It seems to me like the ultrasounds are accurate, but then again, lots of people go past their due dates.


HELEN - April 30

Yes they can be wrong. All of the measurents they take are compared t list of AVERAGE size of a baby at any given point during your pregnancy. If . has bigger babies the


tiffani~edd 11/07/05 - April 30

When ultrasounds are done in the first trimester, they are highly accurate at determining the due date. During the first 3 months, the babies grow at the same rate, which is why most doctors prefer to do an ultrasound early in the pregnancy. As you get into the 2nd and 3rd trimester, babies grow at different rates, based on genetics, maternal diet, etc.... so determining the due date then can be more difficult. I think it's a possibility that the ultrasound could be off by a month, but unlikely, a month makes a huge difference in the development of the baby, and it would be evident to the sonographer if the baby was that much further along. :o)



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