From 1999 and 2019, researchers found that the maternal-mortality rate in the U.S. more than doubled. Over the years, these findings filtered their way through academic journals and the news media to the general public.

But was there something more to this story? How had the U.S. become such a deadly place for pregnant women?

In this episode of Good on Paper, host Jerusalem Demsas talks to Saloni Dattani, a researcher at Our World in Data. Her work—built on the research of other skeptical scientists—found that the seeming rise in maternal deaths was actually the result of something very simple: a measurement change.

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