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首页> 中文期刊> 《海南医科大学学报(英文版)》 >Association of novel and legacy PFAS with reproductive hormones in women of child‑bearing age

Association of novel and legacy PFAS with reproductive hormones in women of child‑bearing age

         
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Objective:To evaluate the legacy and novel per-and polyfluoroalkyl substances(PFAS)exposure in women of reproductive age,and to explore the effects on female reproductive hormones.Methods:We used cross-sectional data of 433 normal women of reproductive age from 2013 to 2015.Data of age,age at menarche,parity,BMI,education,and income were collected through questionnaires,serum samples were collected for reproductive hormones,and plasma samples for PFAS measurement by ultraperformance liquid chromatography-tandem mass spectrometer(UPLC-MS/MS).Multiple linear regression and quantile g-computation were adopted to analyze the association between PFAS and reproductive hormones.Results:The detection rates of 6:2 Cl-PFESA,8:2 Cl-PFESA and HFPO-DA in the plasma were 100%,99.8%and 99.9%,respectively.The median concentrations of these chemicals were 2.27 ng/mL,0.07 ng/mL and 0.03 ng/mL,respectively.Multiple linear regression analysis showed a positive association between branched PFOS[1m-PFOS(β=0.131,95%CI:0.021,0.242),br-PFOS(β=0.119,95%CI:0.005,0.234)]and progesterone.In addition,mixed exposure model suggested that PFAS had a positive association with progesterone(β=0.549,95%CI:0.323,0.774).Conclusion:In this study,a mixed exposure model was used to evaluate the combined effects of PFAS mixtures,reflecting the association between multiple environmental PFAS exposure and reproductive hormones,and a higher concentration of novel PFAS was found in women of reproductive age,confirming that PFAS exposure may be related to reproductive hormone disorders in women of reproductive age.

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