neonatal deaths

Even after their babies died, hospital bills kept coming. These parents of fragile, very sick infants faced exorbitant bills — though they had insurance. "The process was just so heartless," one says.

In December 10 children died within a 48-hour period — and that story made nationwide headlines. Politicians are casting blame — and the government is investigating.

Researchers used an innovative method to come up with the data for the years from 2000 to 2015. What's behind the encouraging trend?