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.
600 g (about 1 lb 5 oz) A useful rule of thumb is that most healthy, full-term newborn babies double their birth weight by four months and triple it by their first birthday. Keep in mind, though, that all babies grow at their own pace. Your baby may gain weight faster or slower than the rates mentioned above.