While medical advances are saving the lives of babies born before they should be, and even pushing the limits of viability to babies born at 22 weeks' gestation, their cases are reminders that technology doesn't always work as expected. Instead, doctors and families are left figuring out how to deal with the unexpected results. "They represent a small but significant group of children who, on one hand, are success stories of our technology, but on the other hand, have challenges," said Dr. Sessions Cole, the hospital's chief medical officer. "The parents ask, 'What is going to happen to him, doctor?'"