Study says U.S. maternal death rate crisis is really a case of bad data - The Washington Post

But the box was checked for many deaths that were unrelated to pregnancy or childbirth, researchers found. For example, hundreds of deaths of people ages 70 or older were mistakenly classified as having been pregnant. Deaths from cancer and other causes were also counted as maternal deaths if the box was checked. As a result, the maternal mortality rates dramatically increased since 2003...

https://www.washingtonpost.com/health/2024/03/13/maternal-mortality-study/