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Everyone knows that a woman who smokes and plans to become pregnant should stop smoking. A new study suggests that the future father should quit, too. 人人都知道，吸烟的女性如果计划怀孕，就应该戒烟。一项新研究表明，计划要孩子的男性也应该戒烟。 Brazilian researchers analyzed the sperm of 20 smokers and 20 nonsmokers and found that the smokers’ sperm was damaged in ways that could reduce the chance of fertilization and might also lead to health problems in the baby. 巴西的一些研究人员分析了20位吸烟者和20位不吸烟者的精子，发现吸烟者的精子受到了损伤，而这可能降低卵子成功受精的几率，还可能为婴儿带来健康问题。 | 
