Feb. 20, 2004, 10:39AM Tomball baby one of nation's tiniest ever By ROSANNA RUIZ Copyright 2004 Houston Chronicle RESOURCES • 'The Tiniest Babies' registry: Developed by the University of Iowa. Most parents consider the birth of their children a miracle. For the Walpoles, that may not be a stretch. The combined weight of Dodie and Vaughn Walpole's twin girls, born Feb. 11 about two months prematurely, was less than 4 pounds. Dodie Walpole, 29, gave birth by Caesarean section to Trinity and Kylie. Trinity weighed 2.8 pounds at birth, and Kylie was 12 ounces, making her one of the tiniest...