My bra situation is becoming a massive pain. .....In the chest, haw haw!
I seem to be reluctant to be measured - surely it's gonna change again throughout late pregnancy and breastfeeding? So I am just going to Primark and buying cheap things.
But I seem to be getting it wrong every time so now have four - FOUR! - dirt cheap bras that are useless.
My friend told me to buy stretchy sporty things as they expand. Have been a size 14 all my adult life so bought a 14-16. Too tight on the ribs and gave me pancake boobs! But I think the next size is 18-20 - I can't be that, surely?!
So then I bought a "sports" 2 pack in a 38 size, using the logic that my ribs must've gone from a 36 to a 38, hence the tightness. And as I was a DD before, I thought I should size down in the cups - a C perhaps? But it was a disaster - all wide and floppy and support-free. 
So then I decided to go the opposite direction and buy an underwire in a 36E. It was perfect in the cups (albeit gave me sticky-out torpedo tits) but I can barely breathe with the tightness of the band!
So now am at a complete loss and am thoroughly hacked off. 
DH says "Stop buying those cheap things!" But am tootight deeply reluctant to spend loadsamoney on something I'll grow out of in two months!
What is everyone else doing???