MAYWOOD, IL - UNDATED:  In this handout photo provided by Loyola University Medical Center, Rumaisa Rahman rests in her crib at Loyola University Medical Center three weeks after her birth in Maywood, Illinois. Rumaisa, born September 19, 2004 at 8.6 ounces, is the smallest known surviving baby. Hiba, her fraternal twin sister, weighed 1 pound, 4 ounces.  (Photo by Loyola Univ. Medical Center via Getty Images)