The document concludes that the high risk of infant, child, and maternal mortality is associated with pregnancies where mothers are too young, too old, or have already had several children.

该文件的结论是，婴儿、儿童和产妇死亡率高的风险与母亲年龄太小、太大或已经有几个孩子的怀孕有关。

This is not only a problem in developing countries, about half of all pregnancies globally are unintended.

这不仅是发展中国家的问题，全球约一半的怀孕是意外怀孕。

In one area, it made painstaking efforts to quantify fertility preference to derive figures for planned and unplanned pregnancies.

在一个领域，它付出了艰苦的努力来量化生育偏好，以得出计划生育和非计划生育的数据。

Catherine apparently had six pregnancies.

凯瑟琳明显怀孕六次。

Why Teen Pregnancies Are on the rise?

为什么少女未婚先孕的比例仍在上升？