Reproductive outcomes of maternal contamination with Cyclodiene insecticides, Hexachlorobenzene and β-Benzene Hexachloride

Khanjani, Narges; Sim, Malcolm Ross

doi:10.1016/j.scitotenv.2006.03.029

Cited by 26 publications

(16 citation statements)

References 23 publications

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“…An association was reported between higher breast milk ␤-HCH concentrations and lower female birth weight, 24 and between higher cord ␤-HCH concentrations and higher birth length and head circumference, 29 but other reports showed no associations with birth outcomes. 7,12,25,31 We found no association between anthropometric development and exposure to PCBs in the present newborn serum samples. The children of mothers exposed to accidentally high concentrations of PCBs and related compounds have shown growth retardation and decreased birth size, 32 but the effects of low-level exposure have not been established, and an association was reported by some authors, 9,26,28 but not by others.…”

Section: Discussioncontrasting

confidence: 57%

“…28 Other authors found associations in the same direction, although statistical significance was not reached. 9,12,31 Our study population revealed a marginally significant association between a 53 g decrease in birth weight and a 10-fold increase in ␤-HCH. In few studies (Table 4) has the reproductive health consequences of prenatal ␤-HCH exposure been examined, with controversial findings.…”

Section: Discussionmentioning

confidence: 64%

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Prenatal Exposure to Organochlorine Compounds and Birth Size

et al. 2011

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Section: Discussioncontrasting

confidence: 57%

Section: Discussionmentioning

confidence: 64%

Prenatal Exposure to Organochlorine Compounds and Birth Size

et al. 2011

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“…The reported levels of HCHs, both individual isomers as well as ∑HCH, are the highest in Asia, Australia, and the Pacific region, compared to the rest of the world, although there are a few studies reporting comparatively low mean concentrations, i.e., below 10 ng/g fat: Cambodia (Kunisue et al 2004a), Kuwait (Saeed et al 2000), the Philippines (Malarvannan et al 2009), and Taiwan (Chao et al 2006) but also studies from Japan (Nagayama et al 2007a) and Australia (Khanjani and Sim 2006; Kunisue et al 2004a). On the contrary, other studies from Japan and Australia report higher concentrations (Table 4).…”

Section: Resultsmentioning

confidence: 99%

Spatial and temporal trends of the Stockholm Convention POPs in mothers’ milk — a global review

Fång

Nyberg

Winnberg

et al. 2015

Environ Sci Pollut Res

105

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Persistent organic pollutants (POPs) have been of environmental and health concern for more than half a century and have their own intergovernmental regulation through the Stockholm Convention, from 2001. One major concern is the nursing child’s exposure to POPs, a concern that has led to a very large number of scientific studies on POPs in mothers’ milk. The present review is a report on the assessment on worldwide spatial distributions of POPs and of their temporal trends. The data presented herein is a compilation based on scientific publications between 1995 and 2011. It is evident that the concentrations in mothers’ milk depend on the use of pesticides and industrial chemicals defined as POPs. Polychlorinated biphenyls (PCBs) and “dioxins” are higher in the more industrialized areas, Europe and Northern America, whereas pesticides are higher in Africa and Asia and polybrominated diphenyl ethers (PBDEs) are reported in higher concentrations in the USA. POPs are consequently distributed to women in all parts of the world and are thus delivered to the nursing child. The review points out several major problems in the reporting of data, which are crucial to enable high quality comparisons. Even though the data set is large, the comparability is hampered by differences in reporting. In conclusion, much more detailed instructions are needed for reporting POPs in mothers’ milk. Temporal trend data for POPs in mothers’ milk is scarce and is of interest when studying longer time series. The only two countries with long temporal trend studies are Japan and Sweden. In most cases, the trends show decreasing concentrations of POPs in mothers’ milk. However, hexabromocyclododecane is showing increasing temporal concentration trends in both Japan and Sweden.

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“…No entanto, estudos em outras coortes não têm corroborado relações entre prematuridade e exposição a agrotóxi-cos organoclorados 40,41,42 , organofosforados 19 e outras classes de agrotóxicos 43 .…”

Section: Resultsunclassified

Exposição a agrotóxicos e eventos adversos na gravidez no Sul do Brasil, 1996-2000

et al. 2012

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O Brasil é o primeiro mercado mundial consumidor de agrotóxicos. Evidências epidemiológicas apontam associação entre exposição materna a agrotóxicos e eventos adversos na gravidez. Realizou-se um estudo ecológico para investigar possíveis associações entre o consumo per capita de agrotóxicos por microrregiões e eventos adversos em nascidos vivos na Região Sul do Brasil no período 1996-2000. Dados foram obtidos junto ao Instituto Brasileiro de Geografia e Estatística (IBGE) e ao Departamento de Informática do SUS (DATASUS). Microrregiões foram agrupadas segundo quartis de consumo de agrotóxicos e foram calculadas razões de prevalência (RP). O teste qui-quadrado foi usado para calcular o valor de p de tendência lineal. Nas microrregiões de maior consumo de agrotóxicos nascimentos prematuros (< 22 semanas) e de índice de Apgar 1º e 5º minuto insatisfatório (< 8) apresentaram RP significativamente maiores, tanto em meninos como em meninas. Não foi observado um padrão similar em relação a baixo peso ao nascer. Estes achados sugerem a exposição intraútero a agrotóxicos como possível fator de risco para eventos adversos na gravidez, como parto prematuro e maturação inadequada.

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Reproductive outcomes of maternal contamination with Cyclodiene insecticides, Hexachlorobenzene and β-Benzene Hexachloride

Cited by 26 publications

References 23 publications

Prenatal Exposure to Organochlorine Compounds and Birth Size

Prenatal Exposure to Organochlorine Compounds and Birth Size

Spatial and temporal trends of the Stockholm Convention POPs in mothers’ milk — a global review

Exposição a agrotóxicos e eventos adversos na gravidez no Sul do Brasil, 1996-2000

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