Exposure to widespread environmental endocrine disrupting chemicals and human sperm sex ratio.
Environmental Pollution(2016)
Abstract
In recent years, a trend toward a declining proportion of male births has been noted in several, but not all, industrialized countries. The underlying reason for the drop in the sex ratio is unclear, but one theory states that widespread environmental endocrine disrupting chemicals affecting the male reproductive system in a negative manner could be part of the explanation. The present study was designed to investigate whether the urinary phthalate, pyrethroids and polycyclic aromatic hydrocarbons metabolites concentrations were associated with sperm Y:X ratio.
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Key words
Sex ratio,Phthalates,Synthetic pyrethroids,Polycyclic aromatic hydrocarbons
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