Squatting isthe traditional third world way of childbirth too.
Of course average life expectancy in the third world is about halfwhat it is in the developed civilizations, the latter of which is largely the result of modern sanitation which features -- flush toilets and sewer systems. So once again lifeis always full of tradeoffs . . . you can die unconstipated of typhoid, typhus, cholera, smallpox, etc.