Between 8 – 12 weeks of. A dating scan is an ultrasound examination which is performed in order to establish the gestational age of the pregnancy. What can be seen? The EDD from the early dating scan is used, if the last menstrual period is not known or is. We explain just how early you can have a pregnancy scan, what it scan to actually see anything is about 6 weeks after your last period,”.
The most accurate time is between 8 and 11 weeks gestation. The scan or my dates - which should I believe? The EDD from the early dating scan is used - if the last menstrual period is not known or is unreliable, or the dating scan differs from the last menstrual period dating by more than 5 days.
Baby's First Ultrasound! 6 Weeks Pregnant