Every year, 500,000 babies are born prematurely in the United States. This means 1 in 8 babies are born too soon, a rate that's alarmingly high for a developed country.
The non-profit March of Dimes just announced its "Premature birth report cards" for 2012. The U.S. gets a "C," but many individual states score higher, and some even lower. Click through to see how your state is doing.