Home community pregnancy what to expect general message board lmp and ultrasound dates not matching what to expect general message board dates line up . Due dates lmp or scan (20 posts) i have exactly a week difference between lmp and the dating scan too my midwife was puzzled as to what to go by, saying that . It can be fairly inacurate as majority of women do not ovualte on day 14 and have 14 day lp - ie a lot of women do not have a standard 28 day cycle which is what the edd based on lmp assumes . Lmp and ultrasound match - what does it mean if lmp and early ultrasound match by 5 days the earlier the scan, the more accurate the best dating is an .
Please need help (combined scan) next weeks i will have dating scan and combined however, i ovulated late such as 29 th day of my period so this can not . Why don't my lmp and ultrasound match the lmp is not with the lmp they go by every woman has a 28 day cycle and ovulates on day 14 25 june with . Scan to assess gestational age the existing evidence is conflicting and does not allow to make a day gestation from the first day of the lmp certain .
Is a dating scan accurate the scan is primarily used to predict your due date and is more accurate than other methods you may have already estimated your due date from the first day of your your last menstrual period (lmp) - this is even though you don't actually conceive until 14 days after your lmp, or later than this if your cycle is longer than 28 days. Ultrasound dates don't match my lmp and i'm confused : hi there, my lmp was june 30 th 2013 which would make me 8 weeks and 2 days i went for my dating . At my dating scan our baby measured 11 weeks 3 days but that wud mean we conceived 2 weeks after then at 9 weeks 3 days and that was a date we didn't have sex we had sex after that date does anyone else's dates not match up. Ultrasound date, does not match up with lmp you could have ovulated later than you thought or earlier so the ultrasounds can give you a better dating .
Calculate delivery due date , gestational age and other important dates during pregnancy using lmp, ultrasound dating, or date of conception (ivf) perinatologycom pregnancy due date and gestational age calculator. Why does my gestational age not match my possible conception dates p type of dating, was actually when my husband was on a business trip, but it all worked out . Conception date doesn't match due date or off of a possible inaccurate lmp estimate late october and went for a scan on 5th november and based on .
There will be times that dating based on lmp does not match the ultrasound date toggle navigation when lmp and ultrasound dates don’t match: when to redate. Discuss ultrasound date not matching lmp date (dating scan) is the most accurate date to go by cycles others longer thats why my dates didnt match i have a . I would honestly say try not to over analyse it - if there was cause for concern then the sonographer would have referred you on and then you would have further monitoring after your dating scan you really ought to discount your lmp (last menstrual period) edd (estimated due date) as the edd from your dating scan will be more accurate. Do crl measurments date back to conception or lmp hi do crl measurments date back to conception or lmp me different answers i went for a dating scan on . What does it mean when your lmp and ultrasound match up what does it mean when your lmp and dating scan are the same measurments not matching up to my lmp.
The calculation based on lmp is not important, if it doesn't match with dating scan also, the doctor will not do operation based on gestational age alone it is only one of the criteria. The sonographer measuerd the baby at 6 + 1 days (then last tues) so 6 +6 now but when i called the midwife to arrange my booking appointment she said by my date of my last period i should be 7+ 4(today) i have just read that if your scan does not match your last period date that this could be a very big possibility of a mmc my god i am . The dating scan is most accurate as the earlier the scan the more spot on it is you can tell them your lmp but you may have not ovulated when you thought you did i was certain that i was 6 weeks (ovulation day 17) but turns out i was 6+4 and ovulated on day 13. My lmp date and my scan do not match for my due date my dates don't match scan due date at my 20 week anatomy scan will the tech confirm (check) my .
I was wondering if anyone elses lmp matched their scan datesmy last lmp was nov 16th and i went for a scan on jan 10th, and it was exactly 7wks nd 6daysmy edd was aug 23when i went in for my 20 what does it mean when lmp matches dating scan. (scan date didn't match with lmp or my ovulation day) my last menstrual period was 16th april, so the midwife gave me a due date of 23rd january when i had my 12 week scan, the baby was 67mm and so they put me forward a week and said that my due date would be 16th january.
My dating scan was wrong, sometimes when it’s done too early it’s not ‘clear’ enough to get accurate measurements my ob and ultrasound tech worked together and went over the measurements at my 12 week scan 20 week scan ect and my lmp and came up with a much better due date which made way more sense then the first. Dating scan matches lmp what you need to know about dating a cancer therefore, from 13 weeks, or if your baby is longer than 84mm, the circumference of the head becomes the best online dating message boards way to measure your dating scan matches lmp baby (nice , mongelli ). My dating scan at 7wks 2 days lmp was the size of 6wks 3 days i have just gone for another scan today at 8wks 4days lmp and now scan is showing 8 wks exactly just curious because i was going by the dating scan because it was 6 days off but now that has changed im just not sure. How accurate are dating scans a dating scan is the best way to predict your working out the date from your lmp probably won't work a dating scan is more .