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首页> 外文期刊>Environmental Science & Technology: ES&T >Prenatal Exposure of Organophosphate Esters and Its Trimester-Specific and Gender-Specific Effects on Fetal Growth
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Prenatal Exposure of Organophosphate Esters and Its Trimester-Specific and Gender-Specific Effects on Fetal Growth

机译:Prenatal Exposure of Organophosphate Esters and Its Trimester-Specific and Gender-Specific Effects on Fetal Growth

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摘要

The toxicity of organophosphate esters(OPEs)on embryonic development is well noted in animal experiments,but epidemiological studies are still lacking.This study evaluated the prenatal exposure of OPEs and its trimester-specific and gender-specific effects on fetal growth.The correlations between OPE exposure and fetal growth were investigated by linear mixed-effect models and multivariable linear regression analyses.Prenatal exposure to tributyl phosphate(TBP)was negatively associated with a z-score of fetal abdominal circumference(AC),biparietal diameter(BPD),femur length(FL),and head circumference(HC).In the second trimester,the serum concentration of TBP was inversely related to the z-score of AC,BPD,and HC.In the third trimester,serum concentration of TBP was inversely related to AC,BPD,and FL z-scores.Prenatal exposure to tri-m-cresyl phosphate(TMCP)was inversely related to the z-score of AC,BPD,and HC.In the second trimester,TMCP was negatively correlated with AC,BPD,FL,and HC z-scores.After stratification by gender,male fetuses were more sensitive to OPE exposure.The above results remained robust after excluding pregnant women who gave preterm birth or those with low or high pre-pregnancy BMI.Our findings suggested that health effects of typical OPEs,particularly TBP and TMCP,should be taken into consideration in future works.

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