Infant mortality is a reliable barometer of socio-economic conditions.

婴儿死亡率是社会经济状况的可靠指标。

《牛津词典》

Infant mortality in Palestine refugees is among the lowest in the Near East.

巴勒斯坦难民的婴儿死亡率是近东地区最低的。

youdao

A closer look at the fertility behavior of the poor is important because of the extensive literature on the "replacement effect" of high infant mortality.

仔细研究穷人的生育行为是很重要的，因为有大量关于婴儿高死亡率的“替代效应”的文献。

youdao

If we can get midwifery coverage out there, we can reduce maternal and infant morbidity and mortality by 90 percent.

VOA: standard.2010.06.15

It says most infant deaths happen in regions where maternal mortality rates are the highest.

VOA: standard.2009.05.21

Novy-Hildesley explains, the doctor faced a high rate of infant mortality in the clinic.

VOA: standard.2009.12.18

So while I suppose that it is possible that Russian infant mortality increased at the exact same time that new far more stringent criteria were being applied, it is far more likely that Russian infant mortality stayed about the same but appeared to increase because the new standards capture a larger universe of infant deaths.

FORBES: Did Russia's Infant Mortality Rate Just Skyrocket?

Infant mortality is closely related to wealth and consequently an economic crisis will among others lead to a surge in infant mortality, somewhere, in some country down the road.

FORBES: Don't Be Mistaken: Bankers Kill (But They Give Life Too)

Infant mortality in the East End of London is twice as high as in Surrey.

BBC: News | UK Politics | Frank Dobson's speech in full