Yep, your bra size can change monthly thanks to factors ... If you move up 2 inches on the band (e.g. 36 to a 38), go down a cup size (D cup to a C cup). Conversely, if you want to go down a ...
But buying a new bra? You probably dread the day ... So if you measure a 38.5, you’d record 39. 3. Calculate your cup size.