A US woman delivers sextuplets which happen 1 in 4.7 billion at Woman's Hospital of Texas. Houston Woman 'Thelma Chiaka' delivered two sets of twin boys & one set of twin girls in just 9 mins. The 6 babies were born at weights ranging from1 pound & 12 ounces to 2 pounds & 14 ounces, and are stable. They are receiving care at the hospital's advanced neonatal intensive care unit. Thelma named her twin daughters-Zina & Zuriel.