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.
What they found was that mothers who gained more than 53 lb. (24 kg) during pregnancy were more than twice as likely to have a high-birth-weight baby  more than 8.8 lb. (4 kg)  as women who put on 18 to 22 lb. (8 to 10 kg).