在美国约有13%的存活产婴儿是早产，这意味着在婴儿是怀孕37周之前出生的，根据美国疾病控制和预防中心的一项调查显示。
About 13 percent of all live births in the United States are preterm, meaning the baby is born before the 37th week of pregnancy, according to the Centers for Disease Control and Prevention.
怀孕期间增加室内植物来改善室内居住质量。这样在你的孩子出生后会有一个更为愉快和健康的环境。
Improve the quality of your indoor air by adding lots of houseplants during pregnancy. Your home will be cheerier and healthier when your baby arrives.
然而，出生前后死亡率(怀孕22周和出生后第一周的婴儿死亡率)几乎相同。
But the perinatal mortality rate (the number of babies that die between the 22nd week of pregnancy and the first week after birth) was about the same.
在故事的结尾，杨和怀孕的薛来到一个医生的办公室，手里拿着他们健康的未出生的孩子的超声波照片灿烂地笑着。
At the end of the story, Yang and a pregnant Xue emerge from a doctor's office, beaming and holding an ultrasound image of their healthy, unborn child.
内华达州则有接近7.7%的怀孕下降率，12.5%的失业率-在工作流失率和出生率排在倒数第二名。
Nevada was close behind with a 7.7 per cent fertility rate drop and a 12.5 per cent jobless rate - the second worst state for both job losses and a birth rate fall.
在圣贝纳迪诺蔓延的城市的有着20万庞大队伍年轻的拉丁裔，最高的青少年怀孕率和最高的任何种族或人种的出生率的群体，而且奥尔特加也是他们中的一员。
Ortega was like many young Latinas in San Bernardino, a sprawling city of 200, 000. They have the highest teen pregnancy and birth rates of any racial or ethnic group.
这是非常重要的怀孕和预防出生缺陷。
It's very important in pregnancy and preventing birth defects.
在宝宝出生后，你的身体要开始从怀孕和分娩后的恢复。
After your baby arrives, your body begins to recover from the hard work of pregnancy and delivery.
它们均随著出生体重和怀孕周数的增加而增加。
They increased linearly with increasing birth weight and gestational age.
在美国马萨诸塞州，一只怀孕的鹡鸰为它和即将出生的宝宝找到了一处好处所——一辆运输冰激凌的卡车的引擎罩。
One expecting wagtail found the perfect place for her and her chicks - inside the bonnet of an ice cream van in Massachusetts, US.
新生儿死亡率和低出生体重这两个指标反映在孕妇怀孕期护理、以及人口营养不良情况等。
Both neonatal mortality and low birth weight are used as indicators of pregnancy care, as well as malnutrition in the population.
新生儿死亡率和低出生体重这两个指标反映在孕妇怀孕期护理、以及人口营养不良情况等。
Both neonatal mortality and low birth weight are used as indicators of pregnancy care, as well as malnutrition in the population.
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