In medical circles, pregnancy over the age of 35 is labeled “geriatric,” implying that the mother is elderly in terms of obstetric risks. But that label is being challenged by demographic changes that extend the childbearing years into the 40s…

Geopolitical factors aside, sovereign nations are defined by the populations that inhabit them, and by the social and cultural traditions handed down from one generation to the next. But in the 21st Century, multiple factors are blurring sociocultural lines, and…