Why do you have to drink water before an ultrasound?

Related questions

1. Do ultrasounds show cancer?
2. What is ultrasound used for?
3. What happens during an ultrasound?
4. How much water should I drink before an ultrasound?
5. What Abdominal ultrasound can detect?
6. What is the prep for an abdominal ultrasound?
7. What happens during an abdominal ultrasound?
8. What will liver ultrasound show?
9. Why do I need to drink water before an ultrasound?
10. Can you drink water before a ultrasound?

Tags

1. #bladder
2. #cervix
3. #pregnancy
4. #water
5. #ultrasound
6. #helping
7. #bowel
8. #uterus
9. #appointment
10. #until
11. #abdomen
12. #please
13. #again
14. #pelvis
15. #moves
16. #empty
17. #before
18. #drink
19. #after
20. #visualisation
21. #glasses