Growth Percentile Calculator - Measure your baby's length, weight, and head circumference, enter the figures, and calculate an estimate of where your baby stands compared to other children his age. Newborns: Growth and Development - Links to reviewed articles focusing on infant growth and development. Speech Development in the Infant and Toddler - Article outlining milestones and important aspects of speech development. How Children Learn - Provides information and advice aimed at improving the future performance of children, starting before birth. The Brazelton Institute - Focuses on the health and development of the newborn infant. Read about the Brazelton Scale, a newborn behavioral assessment tool and view the organization's newsletter. Care of the Premature Infant - Monitoring growth and development in the premature infant: An article from the American Academy of Family Physicians.