In this subdivision, "maternal mortality" means the following:
I. "Pregnancy-related" means the death of a woman while pregnant or within one year of the end of pregnancy, irrespective of the duration and site of the pregnancy, from any cause related to or aggravated by her pregnancy or its management, but not from accidental or incidental causes.
II. "Pregnancy-associated death" means the death of a woman while pregnant or within one year of the end of pregnancy, irrespective of cause.
III. "Pregnancy-associated, but not pregnancy-related" means the death of a woman while pregnant or within one year of the end of pregnancy due to a cause unrelated to pregnancy.