This is what I expected, but I ordered a Large and it isn't big enough.  (So, for anyone looking for advice, I was a 36C prior to pregnancy and now (with a 6 week old) guess I'm something around a DD or E, I'm not sure - but I'd suggest going up a size from what you think you may need.)

Other than that, it's a great sleep / nursing bra - I love that it's got such easy access for the baby!