If the weight is at the 25th percentile or close to the middle, there is no need to add breastmilk fortification or preterm infant formula, and the child can be exclusively breastfed or fed infant formula. This is because the faster a child grows, the better, or the fatter he or she is, which increases the risk of obesity, high blood pressure, diabetes, coronary heart disease and other adult chronic diseases in adulthood.