The March of Dimes Foundation is a United States nonprofit organization

Nonprofit organization

Nonprofit organization is neither a legal nor technical definition but generally refers to an organization that uses surplus revenues to achieve its goals, rather than distributing them as profit or dividends...

 that works to improve the health of mothers and babies.
The March of Dimes is a not-for-profit organization with 501(c)(3) tax-exempt status. The mission of the March of Dimes is to improve the health of babies by preventing birth defects, premature birth and infant mortality. The foundation is headquartered in White Plains, NY and has 51 chapters across the U.S., including the District of Columbia and Puerto Rico.