In addition, in a number of countries, the evidently ongoing decrease in the average sperm count in men, as well as the quality of the sperm, may be linked to the increase in the use of chemicals.
Lisaks võib paljudes maades ilmnev meeste seemnerakkude keskmise arvu kahanemine, aga ka sperma kvaliteedi pidev halvenemine seostuda keemiliste ainete järjest laialdasema kasutusega.