This is the best nursing bra I've ever owned. Its so difficult to find support when you have a big bust but a small band size. I am a 32DD/DDD pre-pregnancy and not while nursing. I ordered a 32 F and it fits but I probably could have gone up another cup size. My only complaint is how much the bra has stretched since I purchased it. The band is almost too big now, but I wear it every day so that's to be expected I guess. I definitely recommend going down a band size. Other than that, I absolutely love this bra.