Provided / Cincinnati Children's Hospital Medical Center

One in nine babies in the United States is born premature. That's according to 2012 data from the Centers for Disease Control and Prevention

Cincinnati Children's Hospital researchers think they may have found a way to help prevent pregnancy complications like stillbirth or prematurity.

In a somewhat counter-intuitive step, doctors theorize that blocking, or refocusing, a woman's immune cells could be the answer.

NOTE: This show originally aired May 6, 2014

Bethesda Fertility Center