The March of Dimes works to improve the health of babies by preventing birth defects, premature birth and infant mortality. The organization helps women have healthy, full-term pregnancies and healthy babies. More than 4 million babies were born in the United States last year, and the March of Dimes has helped each and every one through research, education, vaccines and breakthroughs. For the latest resources and information, visit marchofdimes.com or nacersano.org.