As shown in eTable 2 in the Supplement , the mean PM 2.5 , PM 2.5-10 , and PM 10 exposure levels during the entire period of sperm development generally peaked in 2014 and then exhibited a decreasing trend afterward. eFigures 2, 3, and 4 in the Supplement show the distribution of PM 2.5 , PM 2.5-10 , and PM 10 exposure, respectively, during the entire period of sperm development for each prefecture-level city.
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Association of Exposure to Particulate Matter Air Pollution With Semen Quality Among Men in China.
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