在这篇文章中，作者们提出了这样一个问题，食物的价格如何影响生育和死亡率。
In this article, the authors pose the question of how food prices might have influenced birth and death rates.
加强卫生体系和女童教育是推动减少孕产妇死亡、降低生育率的关键因素。
Stronger health systems, girls' education among factors that contribute to fewer maternal deaths, lower birth rates.
每年有50多万妇女因妊娠和生育并发症而死亡。
More than half a million women die as a result of complications in pregnancy and childbirth every year.
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