Can dating scans be wrong by 3 weeks
Scan dates make no sense 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. Can 1st scan be three weeks out jul 29th, 2010 from that date onwards we didn't have sex until after my 12 week scan, cause i found out i was pregnant and didnt want to have sex until after i knew everything with baby was okay the doctors refused point blank to believe me that the scan date was wrong, they. I went for my dating scan today having had 2 previous scans i've known since doing my test on 21 nov that my due date was 29 july however, i went for a scan on monday dec 6 when i was told i was 5 weeks (technically not possible) then another scan on dec 21 when i was told i was 7+4. Hi guys hoping some1 can help put my mind at rest how far out can dating scans be had the first scan on the 23rd june : my edd by scan is 7th jan 2010 crl 52mm my edd by dates is 22nd dec 2009 as. A dating scan is one that is performed in order to establish the gestational age of the pregnancy, and also reveal important information such as the presence of a heart beat, the number of fetuses and gestation sacs as well as any unusual features.
The simple answer is that in the first trimester the scan can be plus or minus one week, second trimester 2 weeks, third 3 weeks. Hi moonstorm, i understand how your dating scan can give you a later edd - like largeginandtonic said, sperm can live for 3-4 days so it's quite possible to concieve for a few days after you've had sex. Can a pregnancy dating scan be wrong by 6 weeks save cancel already exists would you like to merge this question into it \nfor example if your dating scan says you are 10 weeks pregnant, counting back 8 weeks will give you your approximate date of conception englishangel 11,418 contributions can a dating scan for pregnancy be as much as a week off when done before 10 weeks. Can an ultrasound be wrong about your due date i went to my first prenatal visit, and i would have been 15 weeks based on my lmp however, the doctor did my exam and said i didn't feel pregnant so they did an ultrasound and that said i was 12 weeks now i am measuring big and i am sure that the first ultrasound was wrong but my ob's nurse said "they are never wrong.
I went into my dating scan thinking i was 12 weeks and 3 days but i was only 11 weeks and 3 days its so common to lose between a few days to a few weeks at your dating scan. Can dating scans be wrong (33 posts) add message | report totorosocarina thu 21-oct-10 12:05:43 i had my dating scan a while ago and am still really confused i'm plannng my 3rd homebirth (4th birth) and my dates just do not add up and i'm worried about being seen as 'overdue' by the scan dates and not being allowed to deliver at home i wa going to be 13 weeks. You'll have a dating scan between about 10 weeks and 14 weeks of pregnancy for most mums-to-be, this is their first scan (nice 2008, newson 2014) you'll only have a scan before this, between six weeks and 10 weeks, if you've experienced bleeding, pain, or problems in a previous pregnancy (miscarriage association nd.
Wrong due date hi ladiesi'll be officially joining you all next week and that would have been 3 weeks ahead if i had changed my dates based on the first scan those early scans aren't that accurate imho and it would seem the 12 week one isn't that accurate either it's only a guestimate so i wouldn't worry too much only thing is i don't think. » can early pregnancy scans get dates wrong questions about pregnancy find out all you need to know in our pregnancy section read more start new thread in this topic | watch this thread | flip this thread | refresh the display add a message this is page 1 of 1 (this thread has 15 messages) pregnant see how your baby develops, your body changes, and what you can expect during each week. Best answer: i really don't think it can't be off by that much too many things happen developmentally in four weeks for a doctor to be able to mistake a 16-week fetus for a 20-week one you just got pregnant earlier than you thought. By my own dates i calculate that i'm about 10 days further into this pregnancy than what my dating scan put me according to the dating scan i am 36 weeks today, but i look, feel and hope that i'm closer to my own prediction of 37 weeks +3 anyone else with the same feeling about their dates etc, or have had other pregnancies where you were right and the midwives and scans was wrong.
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 11 weeks. June 2011 babies 40 posts 51k members but was also thinking doesn't baby grow at different rates with ds one of the scans measured smaller but he came on exact due date, just the thoughts of extra few weeks tiredness and sickness etc i know will feel better whenever i meant to but still that 12 week mark feels like it's never gonna.
- First trimester / dating ultrasound what is a first trimester ultrasound first trimester ultrasound is performed in the first 3-4 months of a pregnancy how is this ultrasound performed pregnancy ultrasounds are performed mainly using transabdominal ultrasound for many women, especially after 8 weeks gestation.
- When did i conceive can 12 week scan due dates be wrong i am due on 22 january, if i count back 38 weeks it goes to the 1st may which i did have intercourse that day but used protection i also had intercourse on april 6th and had heavy bleeding 15th april for 3\4 days (this was when my period was due but could it be implantation bleeding) the 6th is 3/4 weeks.
- I don't think they got the dates wrong by that much, they don't just go on the size of the baby, but by how much the baby is developed, there's actually a very big difference between a a 13 week old fetus and a 21 week old fetus, the dating scans are pretty accurate, sometimes they might be a week or two either way wrong, but not by.
I had my dating scan today, and i told them my 1st day of lmp (13/6/07) and said i was 11 weeks exactly the scan said i was 9 weeks and 5 days and because there is a discrepancy of more than seven days they are going off the scan date instead of my dates can they do this i found out over 7 weeks ago that i was pregnant, so if i am only nine weeks. 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. 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 gone when i got home so there is a 2 week. Question - can dating scans be wrong by up to 4 weeks - 8j find the answer to this and other medical questions on justanswer.