Lamaze recommends you choose one size up from your normal pre-pregnancy sizeUse dropdown menu to select size, color/style and scroll right to see photos of specific choicesLamaze recommends you choose next size up from your normal pre pregnancy size. Good bra fit chart and info at Cake maternity dot com/how-to-measure-bra-size and also at Motherhood dot com/size-guide-intimates. Gives great info on when in pregnancy to measure and how to translate non preg. size to preg. size. You're welcome.