How is a dating scan performed? A dating scan is carried out by ultrasound. A sonographer, who is usually a radiographer or a midwife trained in ultrasound, will complete your scan. If the scan is after 10 weeks, ultrasound recordings are usually made through your abdomen.

What happens at dating ultrasound?

The ultrasound technician will put some warm gel on your tummy and move a small hand-held device (transducer) over your skin to get views of your baby (NHS 2015b, SOGC 21019). It wont hurt, although you may feel a little pressure on your tummy and from your full bladder.

How do they date pregnancy with ultrasound?

An ultrasound is actually the most accurate way to date a pregnancy because all fetuses grow at a consistent rate during the first trimester and early second. In other words, if your baby measures 9 weeks 2 days when you have your ultrasound, thats how far along you are, no matter when your last period was.

Can I eat before dating ultrasound?

Can I eat before having an obstetric ultrasound? You can eat before your ultrasound. You are required to have a full bladder. It is necessary to drink 600-800ml of water two hours prior to the scan and refrain from going to the toilet before the scan.