Children born into landless, and hence poor, families suffered reduced marital prospects, lower probability of reproduction, and higher infant mortality.

根据这个研究小组公布在《生态学》杂志上的研究结果，在没有土地的贫困家庭出生的儿童往往都经受了婚姻前景黯淡、生育率低下、新生儿死亡率高等痛苦。

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Any gains from having more than one offspring at a time might be expected to be like higher infant and maternal mortality rates.

每次从多于一个孩子那里获得的比期望的更多，通常会伴随着较高的婴儿死亡率和母亲死亡率。

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Most telling is that although Venezuela's gross domestic product dwarfs Cuba's, Venezuela's infant mortality rate is still three times higher.

最有力的证据是，委内瑞拉的国民生产总值比古巴要高得多，但其婴儿死亡率却依然比后者高三倍。

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Only three developed countries have higher infant mortality rates.

CNN: Commentary: Health care can't wait

Ranked at number 23, the UK had fewer women in Parliament and higher maternal and infant mortality rates than much of Europe, Save the Children reported.

BBC: UK fails to make top 20 in mother's index

With rates of infant mortality about 15 times higher than those today, many of your generation did well to make it.

BBC: Go Figure: When was the real baby boom?