As far as sizing goes, I'd definitely recommend sizing down one size. (bylaurenm.com)
Like size 3, I don't highly recommend this size for breastfed babies because these flows are too fast for those who are in the nursing process. (shrewdmommy.com)
The dress was great and almost true to size but i would definitely recommend sizing up for anyone with a larger bust, it is extremely tight on top. (renttherunway.com)