It took my DD about 10 days to settle into a pattern of what she would take while I was away. The amounts could vary as much as 2.5 times from one day to the next!
Also, you might want to share this information with your mother. http://www.kellymom.com/bf/pumping/bottle-feeding.html
Giving a bottle to a bf baby is a bit different from giving a bottle to a baby who is always bottle fed or formula fed. A baby who usually has a lot of free access to just suck may be trying to get that comfort from sucking at the bottle. But with a bottle, baby will automatically get more milk. At the breast, baby can choose to either suckle for milk or just suck for comfort.
Also, you might want to share this information with your mother. http://www.kellymom.com/bf/pumping/bottle-feeding.html
Giving a bottle to a bf baby is a bit different from giving a bottle to a baby who is always bottle fed or formula fed. A baby who usually has a lot of free access to just suck may be trying to get that comfort from sucking at the bottle. But with a bottle, baby will automatically get more milk. At the breast, baby can choose to either suckle for milk or just suck for comfort.