For an abdominal dating ultrasound, you will need to have a full bladder. You may be asked to drink some water and not go to the toilet beforehand because a full bladder helps to push your womb up to give a better picture. For a vaginal scan, you can have an empty bladder. The scan will take 5 to 10 minutes to perform.

Do I need to drink water before dating scan?

You will need to arrive with a full bladder before you have your scan. A full bladder allows us to see your uterus and ovaries more clearly. We normally recommend that you have 2 glasses of water a half hour before you arrive for your scan.

How much water do you need to drink for a dating scan?

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.

Should ultrasound be empty stomach during pregnancy?

In the same way, your bladder acts as a reservoir of fluid, which helps the sound waves bounce back for better visibility and more detailed images. In such cases, you should not empty your bladder, because the extra fluid is necessary for the ultrasound.

Is empty stomach required for sonography?

Ultrasound Scans: Patient should come empty stomach in the morning or must be empty stomach for at least last 4 – 5 hours during the day.

What happens if I eat before ultrasound?

You may not eat or drink anything for 8 to 10 hours before the test. If you eat, the gallbladder and ducts will empty to help digest food and will not be easily seen during the test. If your test is scheduled in the morning, we suggest that you eat nothing after midnight the night before the test is scheduled.