Can pregnancy dating scans be wrong Can your pregnancy scan give the wrong due date?

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Expert Jan Steward, who is director of Ultrasound Direct and Babybond, agrees that early scans carry a much greater risk of inaccuracy.

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The size of the baby correlates less and less with its age as time goes on. Alex Jones says she looks like "melted ice cream" post-baby. If you have any questions about this, please feel free to talk to your sonographer or doctor about it. Anyway, there were huge complications and she had to give birth to a baby that was no longer alive at 20 weeks.

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Trying To Conceive Forums. For instance, if your period starts on the 5th April, then your estimated due date for delivery is the 12th January. You need to be logged in to do this Dating scans are usually recommended if there is doubt about the validity of the can pregnancy dating scans be wrong menstrual period.

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Went for dating scan and Pregnancy - Third Trimester. The most accurate time is between 8 and 11 weeks gestation. Also the fetus cannot bend and twist too much yet, so the length of the body is fairly constant.

Can dating scans be wrong!

This is especially true if you have an irregular cycle or have been on the Pill for example. Please Login or Register to join in. One thing I would advise every woman on the forum to do is to never ever neglect your instincts Hope you get it sorted so you can relax a bit! There are no known adverse effects from early pregnancy ultrasound scans recorded in the literature. If the pregnancy is very early the gestation sac and fetus will not be big enough to see, so the transvaginal approach will give better pictures.

Had check up the other day by the doc and she felt my belly and she was happy going by this can pregnancy dating scans be wrong.

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Well, you'd think so, wouldn't you. If you have more than one ultrasound during your pregnancy, giving you 'multiple dates', then the earliest ultrasound estimate should be used, because it will be more accurate. Originally Posted by Sherlock They don't as a rule change your due date at your 12 week dating scan nor your 20 week one unless its more than are more than a week or so out either way. Experts say that the scan date can sometimes come out speed dating in new orleans louisiana less pregnant than suggested by your LMP.

By 6 to 7 weeks gestation the fetus is clearly seen on trans-vaginal ultrasound and the heart beat can be seen at this early stage 90 to beats per minute under 6 to 7 weeks, then to beats per minute as the baby matures. These scans are only used to estimate the due date of your baby if this is all you have to go on. Sometimes a trans-vaginal examination shows that your pregnancy is less advanced than expected.

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The scan or my dates - which should I believe? Its hard for them to tell when its so small, so they do make mistakes. Dating scans also reveal other important information such as: I had a dating scan a while back and they measured baby at 5. My mum kept telling doctors that something just wasn't right with her baby and they ignored her, told her there was nothing to worry about and so she shut up because she felt as though she was just being annoying Can your pregnancy scan give the wrong due date? My dates and scans are off too by dates its November 21st but by scan it is December1st Take care all mibiuk.

Then at the week scan I got an EDD of 15 march, so that early scan was completely out.