Can baby dating scans be wrong
Hi everyone, i have been wondering at most how much a scan can be wrong i found out quite late that i was having a baby (16 weeks) and am now 26 weeks according to a dating scan at 18 weeks i have had an anomaly scan at 20 weeks all seems well my question is probably completely irrational, but. Does an antenatal scan tell you the exact day that the baby was conceived or are they not that accurate so that there is a standard in dating if you had your period 9 weeks ago, there would be the assumption that you got pregnant 7 weeks ago (two weeks after your last period) say you ovulated late, and conception. Could my dating scan be wrong i have always found dates and scans very confusing mine are always a week behind from my dates, and i can pinpoint when we were trying, ovulating ect because all my pregnancies have been planned it all never adds up i have given up trying to make rhyme or reason out of it all reply like. Can the ultrasound be wrong about my due date the dr gave me an ultrasound last week at my second appointment and she said i was 11 weeks along based on the size of the baby & due june 20th i have kept records of my periods, ovulation & when i had sex according to the information i have, i should be 15 weeks and due may 30th not.
Can ultrasound dating scan be wrong re looking for dating and reassurance early on in future babies offers private ultrasound and antenatal screening to women before and during pregnancy ultrasound scan during pregnancy can be done for various reasons unexplained bleeding in pregnancy covers all aspects of sonography in pregnancy. That does seem very odd, but i though dating scans couldn't be wrong by more than a few days will be interesting to see how many weeks/days your 20. Can dating scans be wrong feb 18th, 2008, 19:24 pm #1 hi all, hope you are all doing well and your lo's not giving you too much grief i'm sore and still tired but no sickness yet just wanted to query something had a dating scan on monday 4th feb and told that i was approx 6 weeks gestation heartbeat seen and length 31mm. I think scans can be very wrong at times, all babies develope at different stages, there is no foolproof way of telling for 100% certain or the dating scan differs from the last menstrual period dating by more than 5 days as the baby gets bigger, it starts to express its individual growth potential the size of the baby correlates less and less.
How wrong can an ultrasound dating scan be sometimes the baby can measure bigger or smaller the scan at 20 weeks will be more accurate x anonymous 1 decade ago 2 thumbs up 1 thumbs down report abuse comment add a comment submit just now that early it wont be off by weeks a few days tops up to a certain point unborn babies developa t a specific rate adn can. The dating scan can include a nuchal translucency (nt) scan, which is part of the combined screening test for down's syndrome, if you choose to have this screening the second scan offered to all pregnant women is called the anomaly scan, or mid-pregnancy scan, and usually takes place between 18 and 21 weeks of pregnancy this scan. Dating scans are usually fairly accurate hun they go by the measurements of the baby rather than any dates given for a while i thought i was 4 weeks ahead of what i actually am so i had a scan at what turned out to be 7 weeks, the baby measured much closer to a 7 week old rather than a 12 week old the difference in size is actually quite alot in.
So can the sex of my baby be wrong yes reading info from a scan is all about interpretation sonographers are highly skilled in identifying a lot of detail from a fairly blurry image, which can be made a lot harder if your baby isn't. No the dating scan is very accurate - it doesn't tell you when the baby was conceived though, just the amount of time it has been implanted and growing in the womb plus 2 weeks they're normally pretty accurate but sometimes can be a little out, they normally use the 20 week scan as the definitive date. Why did you have a dating scan so early i would wait until 12-14 weeks when they usually do a dating scan and see what they say then yes they can be wrong by a week or two.
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- Yes they can be wrong, early scans can be up to 2 weeks out either way if baby is smaller/bigger than average then the dates they are telling you may be wrong.
- Can the dating scan be wrong i've been thinking about it and they told me i was 10 weeks on oct 9, but that would mean my last period should have started on aug 6, right but that doesn't make any sense i know it started somewhere between july 20 and july 23, and ended before july 28 i was on holiday visiting my mom, and i know it was.
- However, some major problems can be seen at your dating scan, such as issues with the umbilical cord or with your baby's skull or abdominal wall you may need a second scan to check the first scan's findings the dating scan will also show if you're expecting twins, triplets, or more (nhs 2015a, mongelli 2016) it's helpful to know about twins early on.
Scan dates make no sense chat early scan are not always accurate which is why the dating scan is at roughly 12 weeks, there has been a lot of ladies recently that have worried at an early scan to find at the 12 week one baby has caught up or even overtaken the dates they thought are you getting another scan i would personally stick with your original dates until your 12 week scan. Can dating scans be wrong: my first dating scan said 7 weeks but i'm almost certain i'm 8 weeks just checking if anyone thinks their dates are wrong mind u i know it doesn't matter but the sooner ms ends the better :) - babycenter australia.