Association between exposure to drinking water disinfection byproducts and adverse pregnancy outcomes in South Africa

Currently, there is contradictory evidence for the risk of adverse pregnancy outcomes associated with maternal exposure to disinfection byproducts (DBPs). We examine the association between maternal exposure to trihalomethanes (THMs) in drinking water and adverse pregnancy outcomes, including premat...

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Autores principales:	Funanani Mashau, Esper Jacobeth Ncube, Kuku Voyi
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	adverse pregnancy outcomes disinfection byproducts drinking water sub-saharan africa trihalomethanes (thms) Public aspects of medicine RA1-1270
Acceso en línea:	https://doaj.org/article/568e5e82ec3c4421b134dbaeb0dd3dcd
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spelling	oai:doaj.org-article:568e5e82ec3c4421b134dbaeb0dd3dcd2021-11-06T05:46:12ZAssociation between exposure to drinking water disinfection byproducts and adverse pregnancy outcomes in South Africa1477-89201996-782910.2166/wh.2020.214https://doaj.org/article/568e5e82ec3c4421b134dbaeb0dd3dcd2021-02-01T00:00:00Zhttp://jwh.iwaponline.com/content/19/1/174https://doaj.org/toc/1477-8920https://doaj.org/toc/1996-7829Currently, there is contradictory evidence for the risk of adverse pregnancy outcomes associated with maternal exposure to disinfection byproducts (DBPs). We examine the association between maternal exposure to trihalomethanes (THMs) in drinking water and adverse pregnancy outcomes, including premature birth, low birth weight (LBW) and small for gestational age (SGA). In total, 1,167 women older than 18 years were enrolled at public antenatal venues in two geographical districts. For each district, we measured the levels of residential drinking water DBPs (measured in THMs) through regulatory data and routine water sampling. We estimated the individual uptake of water of each woman by combining individual water use and uptake factors. Increased daily internal dose of total THMs during the third trimester of pregnancy significantly increased the risk of delivering premature infants (AOR 3.13, 95% CI 1.36–7.17). The risk of premature birth was also positiviely associated with exposure to total THMs during the whole pregnancy (AOR 2.89, 95% CI 1.25–6.68). The risk of delivering an SGA and LBW infant was not associated with maternal exposure to THMs. Our findings suggest that exposure to THMs is associated with certain negative pregnancy outcomes. The levels of THMs in water should be routinely monitored.Funanani MashauEsper Jacobeth NcubeKuku VoyiIWA Publishingarticleadverse pregnancy outcomesdisinfection byproductsdrinking watersub-saharan africatrihalomethanes (thms)Public aspects of medicineRA1-1270ENJournal of Water and Health, Vol 19, Iss 1, Pp 174-189 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	adverse pregnancy outcomes disinfection byproducts drinking water sub-saharan africa trihalomethanes (thms) Public aspects of medicine RA1-1270
spellingShingle	adverse pregnancy outcomes disinfection byproducts drinking water sub-saharan africa trihalomethanes (thms) Public aspects of medicine RA1-1270 Funanani Mashau Esper Jacobeth Ncube Kuku Voyi Association between exposure to drinking water disinfection byproducts and adverse pregnancy outcomes in South Africa
description	Currently, there is contradictory evidence for the risk of adverse pregnancy outcomes associated with maternal exposure to disinfection byproducts (DBPs). We examine the association between maternal exposure to trihalomethanes (THMs) in drinking water and adverse pregnancy outcomes, including premature birth, low birth weight (LBW) and small for gestational age (SGA). In total, 1,167 women older than 18 years were enrolled at public antenatal venues in two geographical districts. For each district, we measured the levels of residential drinking water DBPs (measured in THMs) through regulatory data and routine water sampling. We estimated the individual uptake of water of each woman by combining individual water use and uptake factors. Increased daily internal dose of total THMs during the third trimester of pregnancy significantly increased the risk of delivering premature infants (AOR 3.13, 95% CI 1.36–7.17). The risk of premature birth was also positiviely associated with exposure to total THMs during the whole pregnancy (AOR 2.89, 95% CI 1.25–6.68). The risk of delivering an SGA and LBW infant was not associated with maternal exposure to THMs. Our findings suggest that exposure to THMs is associated with certain negative pregnancy outcomes. The levels of THMs in water should be routinely monitored.
format	article
author	Funanani Mashau Esper Jacobeth Ncube Kuku Voyi
author_facet	Funanani Mashau Esper Jacobeth Ncube Kuku Voyi
author_sort	Funanani Mashau
title	Association between exposure to drinking water disinfection byproducts and adverse pregnancy outcomes in South Africa
title_short	Association between exposure to drinking water disinfection byproducts and adverse pregnancy outcomes in South Africa
title_full	Association between exposure to drinking water disinfection byproducts and adverse pregnancy outcomes in South Africa
title_fullStr	Association between exposure to drinking water disinfection byproducts and adverse pregnancy outcomes in South Africa
title_full_unstemmed	Association between exposure to drinking water disinfection byproducts and adverse pregnancy outcomes in South Africa
title_sort	association between exposure to drinking water disinfection byproducts and adverse pregnancy outcomes in south africa
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/568e5e82ec3c4421b134dbaeb0dd3dcd
work_keys_str_mv	AT funananimashau associationbetweenexposuretodrinkingwaterdisinfectionbyproductsandadversepregnancyoutcomesinsouthafrica AT esperjacobethncube associationbetweenexposuretodrinkingwaterdisinfectionbyproductsandadversepregnancyoutcomesinsouthafrica AT kukuvoyi associationbetweenexposuretodrinkingwaterdisinfectionbyproductsandadversepregnancyoutcomesinsouthafrica
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Association between exposure to drinking water disinfection byproducts and adverse pregnancy outcomes in South Africa

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