Thanks for all the welcomes
and congratulations on your exciting scan news mumof2. Do you have 2 girls already?
Sounds like you had a great christmas yesterday dobe 
Definitely sounds like movements you're feeling rebecca! Very exciting isn't it
I have an anterior placenta this time so hardly feeling anything
although get a couple of definite wriggles every day. With my DD by 20w she was going nuts every time I ate and at bed time, so is really strange to not be feeling much yet. Definitely felt 2 good kicks from the outside last night though 
mrsmummy I was told to drink a whole litre of fluid an hour before my scan! Had me very close to bursting point by the time you add in a bit of childbirth induced weakness and pressing on tummy for scan! But it seems to vary between hospitals heaps, so a couple of glasses should be plenty!
Good luck for all the scanees today 