Youll be asked to lie on your back and reveal your tummy. The sonographer will put ultrasound gel on your tummy, which makes sure there is good contact between the machine and your skin. The sonographer passes a probe over your tummy and a picture of the baby will appear on the ultrasound screen.

What should I do before my first scan?

Preparing for an ultrasound scandrink water and not go to the toilet until after the scan – this may be needed before a scan of your unborn baby or your pelvic area.avoid eating or drinking for several hours before the scan – this may be needed before a scan of your digestive system, including the liver and gallbladder.

How far are you when you have your first scan?

If your pregnancy is going well, your first ultrasound scan will be your dating scan, at around 12 weeks of pregnancy. Youll usually be offered screening for Downs syndrome at the same time.

What should I wear to my first scan?

Wear suitable clothing. Wear loose fitting clothes for easy access and to limit the spread of the gel. A top that can easily be lifted whilst maintaining your modesty, plus a skirt or trousers that can be rolled or pushed down at the waistband are best. The gel will wash off easily too.