The mortally rate in the us is very high. I think your numbers are off
Maternal Mortality Rates in the United States, 2021
National Center for Health Statistics
www.cdc.gov
In 2021, the maternal mortality rate for non-Hispanic Black (subsequently, Black) women was 69.9 deaths per 100,000 live births, 2.6 times the rate for non-Hispanic White (subsequently, White) women (26.6) (Figure 1 and Table). Rates for Black women were significantly higher than rates for White and Hispanic women. The increases from 2020 to 2021 for all race and Hispanic-origin groups were significant.
69.9/100,000 = 0.000699