The study, which included 1,629 women from across the Netherlands, found that four PFAS compounds were most commonly present. In 18% of the samples, PFAS concentrations exceeded the health-based guidance value.
Four PFAS compounds were found most frequently
The RIVM analysed breast milk for 29 different PFAS compounds. PFOS (perfluorooctane sulfonic acid) and PFOA (perfluorooctanoic acid) were detected in almost every sample. PFNA (perfluorononanoic acid) and PFHxS (perfluorohexane sulfonic acid) were also commonly found. PFOS was detected most frequently and at the highest concentrations.
18% exceeded the health-based guidance value
In 18% of the breast milk samples, PFAS concentrations exceeded the health-based guidance value. According to the RIVM, harmful health effects cannot be ruled out in these cases. PFAS may, among other things, affect the functioning of the immune system and the hormone balance.
Findings confirm previous research
The results are consistent with earlier RIVM research showing that almost all people in the Netherlands have PFAS levels in their blood above the health-based guidance value. Together, these studies show that people in the Netherlands continue to be widely exposed to PFAS through sources including food and drinking water.
The RIVM emphasises that breastfeeding provides important health benefits for both mother and child. It therefore continues to recommend breastfeeding whenever possible, in line with the advice of the Dutch Nutrition Centre.
PFAS do not belong in our bodies
According to the RIVM, PFAS levels in people will only decline if exposure is reduced. This requires measures to prevent PFAS from entering food, drinking water and the environment.
The Netherlands has joined several other European countries in proposing a Europe-wide ban on all PFAS. In addition, Companies are required to minimise PFAS emissions into air and water.
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