no you don’t need a full bladder for your 20 weeks scan :)
Definitely not for your 20 week scan but you can drink water before hand and go to the toilet if you don’t want to risk it.
No you don't need a full bladder for a 20 week scan ❤️
There are signs in the waiting area to say you don’t and I made that mistake with my first and she sent me out to empty my bladder!
No you don’t need a full bladder