<p>Presented is a method for quantifying breastfeeding between a mother and a baby, the method including measuring a physiological volume indicative of stomach fullness volume for the baby; setting a signal threshold value of the physiological volume to correspond to a stomach level that is less than or equal to the stomach fullness volume; obtaining an objective measurement of the physiological volume indicative of a level of fullness of the baby's stomach; and providing an indication to the mother when the objective measurement equals or exceeds the signal threshold value.</p>
