As Teresa Hernandez was about to go into preterm labor, she had a panic attack. The nurse put her hand on Hernandez's head to comfort her. She says she felt as if her mom was there.

March of Dimes' annual report on infant and maternal health drops the U.S. from a C- to a D+, citing a 15-year high in the preterm birth rate. But it also offers some encouraging signs and solutions.