We collect information about the content including ads you use across this site and use it to make both advertising and content more relevant to you on our network and other sites. For transvaginal ultrasound you can have an empty bladder When is it recommended? The nuchal translucency measurement can be taken during the dating scan. Learn about what it looks for and when it is performed. This is presuming that the pregnancy is actually at this stage of development.
These scans are only used to estimate the due date of your baby if this is all you have to go on.
Ask a midwife: When should I get a dating scan?
Dating scans also reveal other important information such as: This theory can predict the sex of your baby at just 11 weeks gestation. Melissa Maimann July 03, This is called the dating scan.