How Accurate Are Conception Dates? | LoveToKnow

Q&A: I want to know if I should trust the accuracy on an ultrasound to date a pregnancy.

how accurate are dating scans at predicting due date

Created by julyair33 Last post 2 days ago. Chinese Gender Predictor Chart: If you were tracking other signs of fertility, such as basal body temperature charts, or ovulation predictor kits, they can help you narrow down your conception date to within one to two days.

Factors That Determine Conception Date Accuracy

Join Date Apr Location in the garden Posts 3, You can estimate your date of ovulation and conception from the length of your menstrual cycle if this is fairly regular. BellyBelly reserves the right to take action on breaches of privacy and copyright. Why We Archive What to Expect has thousands of open discussions happening each day. An ovulation predictor kit OPK or LH kit reliably predicts the window of ovulation, according to a study published in in Human Reproduction. In the second trimester, past the first 12 weeks , the other measurements can be added.

Oldest Newest 14 Posts. Chinese Gender Predictor Chart: While there's no scientific evidence to claim they are, using them to guess if baby is a boy or girl can be fun! R Ultrasound weight estimates accuracy. Created by RashKar27 Last post 8 months ago. Created by babybo Last post 10 months ago. Created by julyair33 Last post 2 days ago. What To Expect Community. Why We Archive What to Expect has thousands of open discussions happening each day. We work hard to share our most timely and active conversations with you.

Archived discussions are usually a bit older and not as active as other community content. We keep them up because there are a ton of great conversations here and we believe you deserve to see them all. For some women there baby is just as baked at 37weeks as someone who is 42weeks pregnant. Without inductions may women would even go weeks pregnant. I would offer early scans especially when you don't know your dates but when looking at baby's actual birth date to the early scan there is often weeks difference.

I think they come when they come some earlier some later. Join Date Oct Location brisbane australia Posts I was told this by my sonographer 2 weeks ago coz my bub was measuring a week and a half ahead of schedule. The scans really assess the conception date rather than the arrival date as the baby can be born either side of the "due date" as others have said. I know when both of my girls were conceived and worked out the "due date" from there - the scans showed a "due date" only one day out from our dates so they were pretty much spot on for working out conception dates.

DD1 was "due" on Feb 26th but arrived 15 days earlier on Feb 11th. DD2 was "due" Feb 22nd and arrived on the 19th. It really is hit and miss Looking at the scan and where the sonographer took the measurements you can see he didn't include the baby's head in the measurements. I think I just got a dodgy sonographer the first time around LOL! Join Date Nov Posts With my dd i had a scan at 6w1d and it dated her as 6w1d. By the time we got to 19wk scan she measured 1wk ahead. My waters spontaneuos ruptured 1 calender month before her due date.

She remained about a month 'behind' in her milestones up until 7mths or so where she caught up. I didn't have an ultrsound until 12wks this baby and it has consistently measured days a head in each ultrasound. Join Date May Location S. E 'burbs, Melb Posts I got told by my OB that scans done from about 10 wks onwards will give you an accurate due date, but yeah, 10 days either side of that is pretty much the norm.

Join Date Jul Posts 6, DD2 dating scan said 21st October ANyone else care to share their experience I am getting that hardly anyone came within a day or 2 of their first scan 6 - 10 w? Join Date Apr Location in the garden Posts 3, Probably my DD Baby no.

Yeah, babies come when they are ready sadly, not when we are! Join Date Jun Location Where the sun shines brightly!

Imsges: how accurate are dating scans at predicting due date

how accurate are dating scans at predicting due date

Although the dating of pregnancy accuracy takes a dive, still ultrasound is indispensable for the other uses. Content provided on this site is for entertainment or informational purposes only and should not be construed as medical or health, safety, legal or financial advice.

how accurate are dating scans at predicting due date

My waters spontaneuos ruptured 1 calender month before her due date. My next scan at 12w3d gave the 16 March 08 as his EDD. So, by this example you can understand you have a five day window during which you could have conceived.

how accurate are dating scans at predicting due date

My next scan at mauritius free dating site gave the 16 March 08 as his EDD. R Ultrasound weight estimates accuracy. Click here for additional information. Even early scans aren't always accurate. I hear the earlier the scan, the more accurate it is but I want real life pfedicting please! Keeping track of cervical mucus changes within a menstrual cycle can help narrow down the day of ovulation. Your baby predictibg just as likely to arrive 10 days before or 10 days after its E DD.