Abstract
We explored whether polybrominated diphenyl ethers (PBDEs) exposed in cord blood could have any potential relationship with perinatal outcomes. Participants were pregnant females (n = 222) who were recruited from a prospective birth cohort (Laizhou Wan Birth Cohort, LWBC) between September 2010 and February 2012. We measured eight PBDE congeners (BDE-28, BDE-47, BDE-85, BDE-99, BDE-100, BDE-153, BDE-154, and BDE-183) in cord serum and examined their relationship with perinatal outcomes. The median levels of BDE-28, BDE-47, BDE-85, BDE-99, BDE-100, BDE-153, BDE-154, and BDE-183 were 2.92, 3.93, 2.29, 7.03, 3.03, 3.14, 1.46, and 2.55 ng/g lipids, respectively. For each log unit increase in BDE-47, BDE-100, and ∑4PBDEs, gestational age increased by 0.70 weeks (95% confidence interval [CI] 0.25, 1.15), 0.48 weeks (95% CI 0.03, 0.94), and 0.73 weeks (95% CI 0.12, 1.34), respectively. We also found that BDE-47 was positively associated with head circumference (β = 0.42, 95% CI 0.00, 0.84). Given that our study area is one of the major brominated flame retardant production areas in China, and the cord PBDEs levels were relatively higher than those reported in most other Asian areas, more studies on the effects of in utero PBDE exposure on fetal growth and child development are warranted.
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Abbreviations
- LWBC:
-
Laizhou Wan Birth Cohort
- PBDEs:
-
Polybrominated diphenyl ethers
- BFRs:
-
Brominated flame retardants
- CI:
-
Confidence interval
- BMI:
-
Body mass index
- pre-pregnancy BMI:
-
Pre-pregnancy body mass index
- GC/MS:
-
Gas chromatography-mass spectrometry
- LOD:
-
Limit of detection
- ∑4PBDEs:
-
Sum of four BDE congeners (BDE-28, BDE-47, BDE-99, and BDE-100)
- POPs:
-
Persistent organic pollutants
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Acknowledgments
We thank the Department of Environmental Health staff, students, hospital staff, participants, and families, without whom this study would not have been completed.
Funding
This research was supported by the Key Program of National Natural Science Foundation of China (Grant No. 81630085), National Basic Research Program of China (973 Program 2014CB943300), National Key Research and Development Program (2016YFC1000203), Shanghai Science and Technology Committee Foundation (Grant No. 17ZR1415800), and Key Discipline Construction Project of Shanghai Municipal Public Health (Grant No.15GWZK0201).
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Chen, L., Wang, C., Zhang, Y. et al. Polybrominated diphenyl ethers in cord blood and perinatal outcomes from Laizhou Wan Birth Cohort, China. Environ Sci Pollut Res 25, 20802–20808 (2018). https://doi.org/10.1007/s11356-018-2158-0
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DOI: https://doi.org/10.1007/s11356-018-2158-0