Question

How many glasses of water to drink before ultrasound?

Answer 1

Your question is not clear.

But per day we must drink 8 glasses of water

Answer 2

Hii mate here is your answer:-

Before Ultrasound we have to drink more than 2 or 3 glasses of water according to a person urinary bladder capacity.

Region :- Doctor advice to drink water before Ultrasound because they have to examine the defects in abdominal region which is enhanced by full the urinary bladder with water untill the test is not complete.

Thanks....