Limited data were located regarding reproductive effects in humans after inhalation exposure to boron. One study was reported involving occupational exposure (10 years or greater) to boron aerosols (22-80 mg/m ) in males engaged in the production of boric acids (Tarasenko et al. 1972). The study group was small, consisting of 28 men. Low sperm counts, reduced sperm motility and elevated fructose content of seminal fluids were observed.
In animals, no effects were found on the ovary or testes of rats exposed to aerosols of boron oxide at a concentration of 77 mg/m for 6 weeks (Wilding et al. 1959).
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