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Publication Detail

Title: Second trimester amniotic fluid bisphenol A concentration is associated with decreased birth weight in term infants.

Authors: Pinney, Sara E; Mesaros, Clementina A; Snyder, Nathaniel W; Busch, Christine M; Xiao, Rui; Aijaz, Sara; Ijaz, Naila; Blair, Ian A; Manson, Jeanne M

Published In Reprod Toxicol, (2017 01)

Abstract: Bisphenol A (BPA) is an endocrine disrupting chemical with ubiquitous environmental exposure. Animal studies have demonstrated that in utero BPA exposure leads to increased adult body weight. Our aim was to characterize human fetal BPA exposure by measuring BPA concentration in second trimester amniotic fluid (AF) samples and to study its relationship with birth weight (BW) in full term infants. To achieve these goals, we developed a total BPA assay utilizing derivatization with pentafluorobenzyl followed by analysis with LC-ECAPCI-MS/MS with a limit of detection of 0.08ng/mL and limit of quantification (LOQ) of 0.25ng/mL. The mean BW of infants with AF BPA 0.40-2.0ng/mL was 241.8g less than infants with AF BPA less than the LOQ after controlling for covariates (p=0.049). No effect was seen outside this range indicating a non-monotonic effect. Our data suggest that low level BPA exposure in utero decreases BW and needs further study.

PubMed ID: 27829162 Exiting the NIEHS site

MeSH Terms: Amniotic Fluid/chemistry*; Benzhydryl Compounds/analysis*; Chromatography, Liquid; Endocrine Disruptors/analysis*; Female; Humans; Infant, Low Birth Weight*; Limit of Detection; Phenols/analysis*; Pregnancy; Pregnancy Trimester, Second; Prenatal Exposure Delayed Effects/etiology*; Prenatal Exposure Delayed Effects/physiopathology; Tandem Mass Spectrometry

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