By: Jill Sheffield
Ā Ā Ā Reading the news is usually an ordeal of watching the world fall apart at an accelerating pace, so when four United Nations agencies offer a new count of mothersā deaths worldwide in pregnancy and childbirth, one braces for another depressing and insoluble problem. The numbers over the past 20 years, after all, have been stubbornly high: one death per minute on average.