Dr. Adam Wolfberg had two daughters and another on the way when his wife, Kelly, went into labor. But this joyous occasion had come much too soon — Kelly was three months away from her due date. After just 26 weeks in the womb, their baby daughter Larissa entered the world by emergency cesarean section and was whisked into the neonatal intensive care unit of a Boston hospital. It was the same hospital where Wolfberg was doing his residency in obstetrics and gynecology, and his medical background turned out to be a mixed blessing.

One tool doesn't fit all when it comes to surgery.

Pediatric surgeons know this all too well when it's time to operate on a baby. Some infants are born prematurely. Others have congenital defects — some part of their internal anatomy that just didn't develop the way it was supposed to.