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。
He continued by explaining the theory that parents will have more children when infant mortality is high, so as to ensure that several children will survive to take care of them as they grow old.
他继续解释他的理论，父母们将会有更多孩子当婴儿死亡率是高的，以便确保若干孩子将能生存下来去照顾他们当他们变老了。
In fact, no one dies of old age; "old age" is not a disease, nor is it a cause of mortality.
事实上，没人是因为年老而死亡的，“年老”不是病，也不是导致死亡的原因。
Selfishly, we may want our old loved ones to just keep going, if only as a bulwark against our own mortality.
自私点说，我们可能希望我们爱的老人们继续活着，如果只是作为我们自身死亡的参照。
For instance, arsenic poisoning of the Chinchorro people of Chile from contaminated water, as revealed via the hair of 6, 800-year-old mummified infants, probably led to high child mortality rates.
例如智利的新克罗的人们由于饮用了受污染的水而受到砷化剂的毒害，这个问题是通过对6800年前的木乃伊婴儿的头发分析才搞清楚的，可能就是这个原因，才使该地区孩子的死亡率很高。
The risk of maternal mortality is highest for adolescent girls under 15 years old.1.
15岁以下少女的孕产死亡风险最大1。
Severe pneumococcal pneumonia still occurs, even in young to middle aged persons (not just the very young and the very old) and has a mortality rate of 20%!
严重肺炎球菌性肺炎仍然发生，甚至在青年到中年人中(并非小儿和老年人)发生，死亡率为20%。
Conclusion: PTCD plays an important role in diagnosing and treating the old ACST patient and it can improve the operative effects and decrease the mortality rate.
结论：PTCD对老年acst的诊断与治疗有重要意义，可明显提高手术治疗效果及降低死亡率。
Objective to investigate main death causes of Chinese children aged 1 to 14 years old so as to provide a scientific basis for reducing mortality rate of children.
目的了解我国1 ~14岁儿童的主要死因，为降低儿童死亡率提供科学依据。
Parents education level, mothers' child care knowledge and township level per capita income are major determinants of mortality of children under 5 years old.
家长文化程度、儿童母亲的卫生保健知识及以乡为单位的人均收入为影响5岁以下儿童死亡的主要原因。
Results Mortality showed a decreasing tendency year by year, with elderly aged over 60 years old accounting for a larger proportion.
结果病死率逐年下降，60岁以上老年人所占比重较大。
Conclusion Age is a risk factor for death of severe pneumonia in old people and sufficient nutrient-supporting treatment can reduce the mortality of severe pneumonia.
结论年龄是老年重症肺炎患者病死率的危险因素，充分营养支持治疗可降低重症肺炎患者的病死率。
The results showed that the birth rate and the mortality of children under 5 years old were decreased especially for infants and neonates.
结果表明：妇幼卫生合作项目工作在控制人口出生率，降低5岁以下儿童死亡率，尤其是降低婴儿及新生儿死亡率方面卓有成效。
Objective To analyze the cause of death in children under 5-year-old and study the measures of decreasing mortality of them.
目的分析5岁以下儿童死亡的主要原因，探讨降低5岁以下儿童死亡的措施。
They wrote in the study: 'Musculoskeletal fitness, as assessed by SRT, was a significant predictor of mortality in 51-80-year-old subjects.'
该研究称：“‘坐-立测试’所测试的骨骼肌系统的健康程度，是预测51岁- 80岁的被试死亡率的一个显著指标。”
The trend of infant and under 5-year old children mortality rate declined in 5 years;
②北京市婴儿和5岁以下儿童死亡率呈下降趋势；
Conclusion Neonates and infants take the main part of mortality of children under 5 years old.
结论5岁以下儿童死亡仍以新生儿、婴儿为主。
They wrote in the study: 'Musculoskeletal fitness, as assessed by SRT, was a significant predictor of mortality in 51–80-year-old subjects. '
他在此研究中写道：“如SRT测试评估的那样，肌肉骨骼的健康状况是年龄在51岁到80岁受试者寿命长短的重要预示。”
Among them, DHV-1 is the most virulent, since the mortality rate can reach high up to 80% once ducklings infected within 3 weeks old.
三种鸭肝炎病毒以DHV - 1病原性最强，当3周龄以内之小鸭感染DHV - 1病毒时，其致死率高达80%以上。
Among them, DHV-1 is the most virulent, since the mortality rate can reach high up to 80% once ducklings infected within 3 weeks old.
三种鸭肝炎病毒以DHV - 1病原性最强，当3周龄以内之小鸭感染DHV - 1病毒时，其致死率高达80%以上。
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