In our country, the rate of passive smoking of pregnant women is higher than 70 percent.
妇女是被动吸烟的主要人群之一，在我国，怀孕妇女被动吸烟率高达70%以上。
According to statistics, pregnant women passive smoking of infant birth defects rate significantly increased.
据统计，孕妇被动吸烟的婴儿致畸率明显增高。
According to statistics, pregnant women passive smoking of infant birth defects rate significantly increased.
据统计，孕妇被动吸烟的婴儿致畸率明显增高。
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