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Original ArticleOpen Access
The Environmental Impact on Male Fertility
Sinawat S 
There have been several reports indicating that the quality and quantity of human sperma-
tozoa are facing a serious decline. This leads some scientists and environmentalists to believe
that the human species is approaching a fertility crisis. Several factors have been claimed to be the
attributable causes of the decline in male fertility potentials. These include heavy metals and
various chemical agents widely used in agriculture and industry. Moreover, other physical
factors such as the increased global temperature and radiation exposure as well as the biologic
factors such as the contamination of phyto-and xeno-estrogen in the environment could detri-
mentally affect male reproductive function. These effects can result in, not only a reduction in
sperm concentration, but also alterations in sexual behavior, mood disorders and the presence of
genital cancers. The knowledge in male gonadal toxicity, therefore, is very useful in under-
standing the impact of environment to the male reproductive system. This will lead us to
protective strategies to avoid the adverse effects of environmental factors on the male
fertility.
Key word : Male Fertility, Environment
tozoa are facing a serious decline. This leads some scientists and environmentalists to believe
that the human species is approaching a fertility crisis. Several factors have been claimed to be the
attributable causes of the decline in male fertility potentials. These include heavy metals and
various chemical agents widely used in agriculture and industry. Moreover, other physical
factors such as the increased global temperature and radiation exposure as well as the biologic
factors such as the contamination of phyto-and xeno-estrogen in the environment could detri-
mentally affect male reproductive function. These effects can result in, not only a reduction in
sperm concentration, but also alterations in sexual behavior, mood disorders and the presence of
genital cancers. The knowledge in male gonadal toxicity, therefore, is very useful in under-
standing the impact of environment to the male reproductive system. This will lead us to
protective strategies to avoid the adverse effects of environmental factors on the male
fertility.
Key word : Male Fertility, Environment
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