By the mid-1980s the fertility rate-the average number of children born to a woman-dropped to 1.36.
到二十世纪八十年代，生育率——一位妇女生育小孩的平均值——也降至1.36。
It will significantly reduce the number of children born with serious abnormalities of the brain or spine and the associated disabilities.
这将大大减少出生时脑部或脊椎就严重畸形以及相关残疾的儿童数。
The hostility is also fueled by the apparently correct belief that children born of illegal parents are a significant contributor to the total number of births in the United States.
这种敌意被理所当然认为是正确的信念助长了，即对于美国总的出生人口的数量来说，非法移民生产的孩子有着重大贡献。
The first children born under the one-child policy face the prospect of caring for an ever-increasing number of pensioners.
在独生子女政策下出生的第一个孩子将面临越来越严重的赡老问题。
And the sheer number of children who were born before 40 weeks (but after 37 weeks) mean that they constitute a greater percentage of special education children.
在接受特殊教育的孩子中，于37周到40周之间出生的孩子占到大多数。
Hertz-Picciotto and Delwiche correlated the number of cases of autism reported between 1990 and 2006 with birth records and excluded children not born in California.
Hertz - Picciotto和Lora Delwiche在研究中将1990年到2006年间，孤独症病例的数字与婴儿出生数联系起来，并且将非加州出生的儿童排除在外。
Since 1978, an increasing number of children, now approximately four million, have been born thanks to IVF.
自1978年以来，孩童数量不断增长，全球约有近400万人已通过试管育婴技术出生。
This, coupled with a cultural preference for male offspring, has led to a significant imbalance between the number of male and female children born to its citizens.
这，连同文化上对男性后代的偏好，已经导致了它公民男女性别出生率与数量的巨大失衡。
A shockingly high number of children in the area have been born with all manner of birth defects.
这个地区出生儿童出现的各种各样的缺陷也非常高。
Ministry policies like banning Muggle-born children from attending Hogwarts might reduce the number of Muggle alleles in wizarding society and thus increase the survival chances of magic as a trait.
魔法部如果采取禁止麻瓜出身的孩子在霍格沃茨读书的政策可能会减低麻瓜等位基因在巫师界的数目，因此增加魔法特征的生存机会。
Fertility, , measured by the average number of children that would be born to a woman over herlifetime, is declining across the world but the population continues to rise as rates remain high.
生育率通过女性一生生育孩子的平均数量来衡量。全球女性的生育率正不断下降，而全球人口还在不断增加，这是因为人口出生率依旧很高。
Fertility, measured by the average number of children that would be born to a woman over her lifetime, is declining across the world but the population continues to rise as rates remain high.
生育率通过女性一生生育孩子的平均数量来衡量。全球女性的生育率正不断下降，而全球人口还在不断增加，这是因为人口出生率依旧很高。
In 2010, the male deaths population of Longchuan city caused by AIDS was 460 persons, the female was 400 persons, the reduce number of new-children born was 107 persons.
2010年陇川县因艾滋病增加的男性和女性死亡人口数分别为460、400人，减少的出生人口数为107人。
Among those who had stayed with one partner during their reproductive lives, they found that the peak number of children was born to women with partners four years older than themselves.
在那些生育年龄中只有一个伴侣的人中，他们发现女性和比她们大四岁的伴侣生育的孩子最多。那些伴侣小他们六岁的男性，孩子数量最多。
Among those who had stayed with one partner during their reproductive lives, they found that the peak number of children was born to women with partners four years older than themselves.
在那些生育年龄中只有一个伴侣的人中，他们发现女性和比她们大四岁的伴侣生育的孩子最多。那些伴侣小他们六岁的男性，孩子数量最多。
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