I'm so nervous and worrying about everything but trying not to >__< they said I need a full bladder. I've had scans before for other things (bladder/kidney etc) and they always told me exactly how much water to drink before hand. The clinic haven't told me for this procedure though. How much did you ladies drink before? Will 2 litres be about right? That's what I did for my scans for other things in the past. I want to make sure I do everything I can possible do to make this go ok so even if it doesn't work I can't sit there thinking 'i should have done...'