The timing of the publication of this data is telling. The data is gathered from a total of 1018 total cases from 2017-2019. The CDC has also published totals of the national rates of maternal mortality: https://www.cdc.gov/nchs/data/hestat/maternal-mortality/2020...

In 2020, there were 861 deaths total, at a rate of 23.8 per 100k births. If my math is correct that's roughly a .024% chance across all age groups of maternal mortality including deaths caused by suicide/mental health issues.

The number of pregnancy related deaths is incredibly low.