Related: Twins with History of Similar Test Scores ... which was when they learned Sinny was born with primordial dwarfism. Sinny currently lives in Tomball, Texas, where she and Chrissy work ...

She was so tiny that nurses nicknamed her "Thumbelina." Doctors diagnosed Kenadie with a rare form of primordial dwarfism, which can cause behavioral impairment, respiratory disease, and digestive ...