Associations between Bisphenol A Exposure and Reproductive Hormones among Female Workers
AbstractThe associations between Bisphenol-A (BPA) exposure and reproductive hormone levels among women are unclear. A cross-sectional study was conducted among female workers from BPA-exposed and unexposed factories in China. Women’s blood samples were collected for assay of follicle-stimulating hormone (FSH), luteinizing hormone (LH), 17β-Estradiol (E2), prolactin (PRL), and progesterone (PROG). Their urine samples were collected for BPA measurement. In the exposed group, time weighted average exposure to BPA for an 8-h shift (TWA8), a measure incorporating historic exposure level, was generated based on personal air sampling. Multiple linear regression analyses were used to examine linear associations between urine BPA concentration and reproductive hormones after controlling for potential confounders. A total of 106 exposed and 250 unexposed female workers were included in this study. A significant positive association between increased urine BPA concentration and higher PRL and PROG levels were observed. Similar associations were observed after the analysis was carried out separately among the exposed and unexposed workers. In addition, a positive association between urine BPA and E2 was observed among exposed workers with borderline significance, while a statistically significant inverse association between urine BPA and FSH was observed among unexposed group. The results suggest that BPA exposure may lead to alterations in female reproductive hormone levels. View Full-Text
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Miao, M.; Yuan, W.; Yang, F.; Liang, H.; Zhou, Z.; Li, R.; Gao, E.; Li, D.-K. Associations between Bisphenol A Exposure and Reproductive Hormones among Female Workers. Int. J. Environ. Res. Public Health 2015, 12, 13240-13250.
Miao M, Yuan W, Yang F, Liang H, Zhou Z, Li R, Gao E, Li D-K. Associations between Bisphenol A Exposure and Reproductive Hormones among Female Workers. International Journal of Environmental Research and Public Health. 2015; 12(10):13240-13250.Chicago/Turabian Style
Miao, Maohua; Yuan, Wei; Yang, Fen; Liang, Hong; Zhou, Zhijun; Li, Runsheng; Gao, Ersheng; Li, De-Kun. 2015. "Associations between Bisphenol A Exposure and Reproductive Hormones among Female Workers." Int. J. Environ. Res. Public Health 12, no. 10: 13240-13250.