The Committee on Nutrition of the American Academy of Pediatrics has recently advocated breast-feeding for the normal, full-term newborn, unless contraindicated for specific reasons (including a desire by the mother not to breast-feed) or when breast-feeding is unsuccessful.1 This recommendation reflects the renewed interest throughout the world in providing human milk to the healthy infant. Further, expressed breast milk (either from the infant's mother or from donors) is being fed with increased frequency to the preterm or sick infant.2,3 The adequacy of human milk to meet the nutritional needs of all preterm babies has not been documented, however, as recently reviewed by Fleischman and Finberg.4