Mercury levels in parturient and newborns from Aveiro region, Portugal

Journal of Toxicology and Environmental Health. Part a
Ana Catarina AlvesSusana Loureiro

Abstract

Since the outbreak of methylmercury (MeHg) poisoning in Japan and Iraq, mercury (Hg) is classified as well-established teratogen. The Portuguese region of Aveiro faced some decades ago an environmental Hg contamination due to activities from a chlor-alkali plant. Until now, no apparent evaluation was conducted regarding prenatal exposure to Hg in this area. The main objectives of this study were to: i) assess maternal and fetal exposure to Hg in the Aveiro region using noninvasive biological matrices; ii) examine the influence of variables that may contribute to Hg exposure during pregnancy; and iii) improve knowledge regarding metal accumulation and distribution over the maternal-fetal-placental unit. This study was performed in 50 mother-newborn pairs from the Aveiro district. Total Hg (THg) was quantified in maternal scalp hair, placenta, amniotic membrane, and umbilical cord. Maternal hair presented THg levels with a mean value of 900 ng/g, which is lower than the USEPA and WHO acceptable threshold. Regarding THg levels in placenta and umbilical cord, mean values were similar (decidua basalis: 32.84 ng/g; chorionic plate: 30.18 ng/g; umbilical cord: 30.67 ng/g). The amniotic membrane presented the highest THg levels with a ...Continue Reading

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Citations

Mar 15, 2019·Journal of Toxicology and Environmental Health. Part a·Elane Fabíola de Sousa Jerônimo da SilvaGiulia Alessandra Wiggers
May 31, 2020·Biomolecules·Ankica SekovanićJasna Jurasović
Sep 24, 2019·Journal of Toxicology and Environmental Health. Part B, Critical Reviews·Mariana Zuccherato BocatoFernando Barbosa
Aug 14, 2018·Environmental Science and Pollution Research International·Julio Cesar WassermanEvaldo de Paiva Lima
Sep 22, 2019·Environmental Pollution·Valerio ZupoKarl J Wittmann

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Methods Mentioned

BETA
atomic absorption spectrometry

Software Mentioned

SPSS

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