Abstract:
BACKGROUND:Bio-accumulation of persistent organic pollutants (POPs) in the environment and in the food chain can lead to high pollutant concentrations in human fat-containing tissues and breast milk. OBJECTIVES:We aimed to identify the maternal characteristics that determined POP concentrations in breast milk of primiparous mothers in Belgium. METHODS:Breast milk samples were obtained from a cross-sectional sample of 206 primiparous mothers in 2014. POP concentrations in breast milk samples were determined by GC-ECNI-MS and GC-EI-MS/MS depending on the analytes' sensitivity. Associations between POP concentrations in breast milk and potential determinants were investigated using two-way contingency tables and multivariable generalized linear models. RESULTS:Fifteen of the 23 screened POPs were detected in the breast milk samples. Four organochlorine compounds (p,p'-DDT, p,p'-DDE, HCB and β-HCH) and two brominated flame retardant congeners (BDE-47, BDE-153) were detected at concentrations above the limit of quantification in >50% of the breast milk samples. Maternal age and BMI were usually associated with higher POP concentrations. Rural residency and consumption of home-produced eggs, fatty fish and fish oil supplements were associated with higher concentrations of DDT and DDE. Consumption of fatty fish and being breastfed during childhood were associated with higher concentrations of HCB and β-HCH. Fish oil supplements and home-produced eggs were associated with higher concentrations of BDEs, but for BDE congeners exposure routes other than diet require further investigation. CONCLUSIONS:Dietary and non-dietary determinants predict individual POP concentrations in breast milk.
journal_name
Environ Intjournal_title
Environment internationalauthors
Aerts R,Van Overmeire I,Colles A,Andjelković M,Malarvannan G,Poma G,Den Hond E,Van de Mieroop E,Dewolf MC,Charlet F,Van Nieuwenhuyse A,Van Loco J,Covaci Adoi
10.1016/j.envint.2019.104979subject
Has Abstractpub_date
2019-10-01 00:00:00pages
104979eissn
0160-4120issn
1873-6750pii
S0160-4120(19)30908-0journal_volume
131pub_type
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