A New Adaptive Feeding Plan for Newborns

Inclusion Criteria: * Healthy newborn infant * Full term infant (≥ 37 weeks gestation; \< 42 weeks gestation) * Birth weight from 2500g to 4500g * For the formula-fed groups: babies whose mothers elected not to breastfeed at all * For the breastfed group: babies whose mothers elected to exclusively breastfeed for at least 2 months * Newborn whose parents / caregivers can be expected to comply with the protocol * Study explained and written information given * Informed consent signed Exclusion Criteria: * Mother who had antibiotics in the 7 days preceding delivery * Caesarian section * Multiple birth * Congenital illness or malformation that may affect normal growth * Significant pre-natal and/or post-natal disease * Newborn participating in another clinical trial