"Optimal growth" refers to the best or most favorable level of development or progress that can be achieved. It means reaching the highest or most efficient state of growth or improvement. Full definition
The healthier you are when you get pregnant, the more you increase the chance for optimal growth for baby. (integrativewomenshealthinstitute.com)
Human milk provides reliable and sustainable nutrition for optimal growth of infants, while protecting the infant from infection and food insecurity in risky environments. (lactationmatters.org)
The distribution shows how infants and young children grow under these conditions, rather than how they grow in environments that may not support optimal growth. (cdc.gov)