如果一名妇女在怀孕期间发生某种感染，如风疹或水痘，那么婴儿在出生前就可能患上白内障。
If a woman has certain infections during pregnancy, such as rubella or chickenpox, the baby may develop a cataract before birth.
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.
关键是女士们要在她们怀孕之前或宝宝出生后，在帮助下达到一个健康的体重。
What's key is that women should be helped to achieve a healthy weight before they become pregnant or after the baby is born.
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