Start Ultrasounds early paternity dating accuracy

Ultrasounds early paternity dating accuracy

Early ultrasound (between 7-12 weeks) is the most accurate and you can work backwards and find a 3-5 day window where you most likely conceived. So, when an ultrasound scan gives a date of 7/24 as the estimated conception date, it actually means it is quite likely to have happened a little before 7/24 or a little after 7/24.

That said, it might not be worth your trouble, since I already agree that it sounds like your husband is the father.

Regarding when ultrasounds are most accurate, it depends on what the ultrasound is looking for and how accurate the woman's assessment is of how many weeks along she is.

I have just checked on NHS site and other sites and they suggest that most accurate scan are between 9-13 weeks.

I didn't think anything of it, because I am almost 38, and this has never happened to me before.

The way to get your story in one place is to post your own question rather than add it to the end of a long thread begun by someone else.

If you would like to start your own thread, you could recap the information and highlight what part of it concerns you, then it would be easier.

Typically standard deviation of error is /- 5 days. Read more Ultrasound dating is most accurate early in the pregnancy using the crown-rump length (crl) of the small fetus. You can confirm nearly every single piece of information about your pregnancy on the internet.