The state rates horribly in water pollution, falling into the bottom five for releasing carcinogenic toxins, total water pollution, and chemicals which can cause birth defects.

该州水污染十分严重，在排放引起出生病变方面的致癌毒素，水污染和化学物质方面倒数第五。

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The total number of births, birth rate and proportion of births to unmarried women all increased by 3 percent to 5 percent from 2006 to 2007.

2006到2007年间，生育数量，生育率以及生育数对未婚女人的比率都增加了3到5个百分点。

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The study was based on birth certificate information for all deliveries in the US either side of each holiday across 11 years - in total more than 1.8 million births.

该研究是基于美国11年间每个节日所有小孩出生的出生证明信息而得出的结果——总计出生小孩超过180万个。

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When the cohort born roughly in the years between 1993 and 2005 enters prime child-bearing years, there is going to be a pretty significant decline in the crude birth rate even if the total fertility rate (TFR) continues to move modestly higher.

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As it happens, progress in improving health for the total population as measured by expected length of life at birth proceeded at not far from the same rate before World War II and after World War II.

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Anna Cristina d'Addio, an expert on fertility policy at the OECD in Paris, thinks they will probably have fewer children in total than if they had started earlier, even though more of them now give birth in their 40s.

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