Getting the right bra size
Band: even-number band sizes are standard; round odd measurements up. Add 4″ to even band measurements, 5″ to odd.
Cup is bust − band: 1″=A, 2″=B, 3″=C, 4″=D, 5″=DD, 6″=DDD/E.
Bra fit changes with weight, pregnancy and brand — remeasure annually.