Researchers find an abundance of microplastics in placentas and meconium samples microplastics placenta meconium microbiota microbiome EnvSciTech
Study: The Association Between Microplastics and Microbiota in Placentas and Meconium: The First Evidence in Humans. Image Credit: SIVStockStudio / Shutterstock
Animal experiments showed the ability of ingested MPs to disrupt the normal intestinal epithelial barrier and affect the gut microbiome. There is, however, a lack of human evidence on the potential for placental microbiota changes to affect the metabolism of the mother-fetus unit, cause gestational diabetes mellitus, or increase the risk of adverse pregnancy outcomes, such as low birth weight or preterm birth.
The presence of polypropylene in the placenta showed a positive correlation with the total MPs and with PA and polyethylene in the meconium. Placental polyvinyl chloride also showed a positive association with meconium PA. Meconium samples showed a positive association between total MPs and some genera like Streptococcus and Clostridia. In addition, specific associations were also identified, such as a positive correlation between Treponema and PA and a negative one with PU.
Other sources like groundwater and reservoir water show mainly PA, PE, and polyethylene terephthalate , but PU was found in raw water and drinking water treated conventionally.
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