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[时差N小时] 时差N小时:为何孕妇需要远离交通繁忙区域?(上)
Ideally, pregnant women should do everything they can to have a full term pregnancy, because babies born even a few weeks early risk being less healthy and possibly suffering from long term disabilit2011-12-16 编辑:beck
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[时差N小时] 时差N小时:为何孕妇需要远离交通繁忙区域?(下)
It’s not clear why, exactly, heavy traffic could cause premature birth. Air pollution from car exhaust could have something to do with it. Some studies have found that women exposed to high lev2011-12-19 编辑:beck