Most mums-to-be would probably say it's a good idea to have some company, especially if you're anxious about the scan.
"Having a scan can be very emotional," says Jane Fisher, director of the testing-support charity Antenatal Results and Choices (ARC).
As the transducer gets to work, a black-and-white image of your baby will appear on the monitor that the sonographer is looking at.Often, you can see the screen too, or it'll be turned towards you after a few moments – but not always.Then the sonographer will put some gel on the skin of your tummy (be ready: it’s normally freezing!) so there is good contact between the transducer (the hand-held scanning device) and your skin.But, assuming your pregnancy is healthy, you'll still have the dating scan at round about the 12-week mark.
The scan is done externally by rolling a device over your tummy (unless your womb is very deep in your pelvis or you're very overweight, when it may be thought better to offer you a trans-vaginal scan instead). This is because, as immense explains, "If you drink lots of water beforehand, you get better pics: it pushes the uterus (womb) closer to the surface!
" The scan itself will take about 15 to 30 minutes but you may need to hang about for a while in the waiting room beforehand – which can be tricky when you've just drunk all that water!
But don't be tempted to skip the water drinking for that reason.
The Late Dating Scan is a reassurance scan that takes place in the first couple of weeks of the second trimester.
The individual body parts of the baby can now be measured and many of the organs can be seen.
"All being well, you're likely to see your baby moving around.