At a wedding without my baby, I left way too many bottles of expressed milk because I had no clue how many ounces he needed. (breastfeedingtoday-llli.org)
Sometimes I even top her off with a 1 oz bottle of expressed milk just to make sure she is really full! (babywisemom.com)
Gradually the hospital introduced bottles of my expressed milk at night and I breastfed them during the day, followed by top - ups of expressed milk. (breastfeedingtoday-llli.org)