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.
large-for-gestational-age infant a preterm, term, or postterm infant who is above the 90th percentile for gestational age in head circumference, body weight, or length. low-birth-weight infant one that weighs less than 2500 grams at birth.