Word Origin & History. vivify 1590s, from O.Fr. vivifier (12c.), from L.L. vivificare make alive, restore to life, from vivificus enlivening, from L. vivus alive (see vivid) + root of facere to make (see factitious). Vivificate in same sense is recorded from early 15c.
BORN BIG High-birthweight newborns, such as this 4-day-old 19-pound baby (center) born to a diabetic mother, face health risks into adulthood.
Birth weight is the first weight of your baby, taken just after he or she is born. A low birth weight is less than 5.5 pounds. A high birth weight is more than 8.8 pounds. A low birth weight baby can be born too small, too early (premature), or both. This can happen for many different reasons. They include health problems in the mother, genetic factors, problems with the placenta and substance abuse by the mother.