1·Low birth weight.
低出生体重。
2·Your next baby may have a low birth weight.
u你的下一个宝宝可能会有低出生体重。
3·In pregnant women, it causes low birth weight.
在孕妇中，可造成低出生体重。
4·At 14lb 1.75oz Conor was twice the average birth weight.
康纳体重达12.79斤（14磅1.75盎司），是平均婴儿出生体重的两倍。
5·GA and birth weight were not predictive of childhood asthma.
GA和出生体重不是儿童哮喘的预测因子。
6·Extra birth weight might not be the only change many of these infants face.
额外的出生体重可能并不是很多婴儿面临的唯一变化。
7·It is often a result of genetics, infection during pregnancy, or low birth weight.
一般来说，遗传，妊娠期感染，或低出生体重等均可能导致该病。
8·Exposure to secondhand smoke during pregnancy increases the risk of low birth weight.
怀孕期间受二手烟影响会增加低出生体重的几率。
9·Number of infants with low birth weight fell from 16 per thousand to 0.3 —almost none.
低出生体重儿的数量从16‰减少到0.3‰——几乎绝迹。
10·The fact is, most animals are breast-fed exclusively until they have tripled their birth weight.
事实上，大多数动物在体重达到出生时的3倍前，都全靠母乳喂养。