A premature baby in an incubator. cdwheatley / E+ / Getty Images
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A recent study presented at the Society for Maternal-Fetal Medicine meeting has uncovered a concerning link between microplastic accumulation in the human placenta and preterm births.
Key Findings of the Study
Researchers analyzed 175 placentas, which included both full-term and preterm samples. They used highly sensitive mass spectrometry to measure levels of 12 different microplastics and nanoplastics, including polyethylene (PE), polyvinyl chloride (PVC), polyurethane (PU), and polyethylene terephthalate (PET).
The study discovered that preterm placentas contained significantly higher levels of polycarbonate (PC), PVC, and nylon 66 (N66) compared to their full-term counterparts.
Surprising Insight from the Researchers
Dr. Enrico Barrozo, the lead author and assistant professor in Obstetrics and Gynecology at Baylor College of Medicine and Texas Children’s Hospital, expressed surprise at the results: “The finding of higher placental concentrations among preterm births was surprising because it was counterintuitive to what you might expect if it was merely a byproduct of the length of time of the pregnancy.”
Implications and Future Research
While microplastics in the placenta have not been definitively linked as a cause of preterm births, the study’s findings suggest a need for further investigation into their potential impacts on reproductive health.
Dr. Kjersti Aagaard, the senior author and maternal-fetal medicine physician at HCA Healthcare and research professor at Boston Children’s Hospital, stated, “Our study hints at the possibility that the accumulation of plastics could be contributing to the occurrence of preterm birth. Combined with other recent research, this study adds to the growing body of evidence that demonstrates a real risk from exposure to plastics on human health and disease.”
Additional Risks of Microplastics
Beyond the potential link to premature births, microplastics pose significant health risks. A study published in 2024 found that one in 10 premature births in the U.S. could be associated with parental exposure to phthalates, chemicals commonly used in plastic production to increase flexibility.
Microplastics have been detected in various human tissues, including testicular tissue, blood, and lungs. Researchers are still working to fully understand the long-term health effects of microplastics in the human body.
Impact on Brain Health
A separate recent study revealed that microplastics ingested by mice blocked blood vessels and disrupted blood flow in their brains. While this study’s findings cannot be directly applied to humans, it raises concerns about the potential impacts of microplastics on the human brain.
Reducing Microplastic Exposure
In the meantime, there are steps individuals can take to minimize their exposure to microplastics:
- Avoid microwaving food in plastic containers.
- Filter drinking water to remove microplastics.
- Limit seafood consumption.
- Avoid using plastics containing phthalates.
By implementing these practices, individuals can reduce their risk of microplastic exposure and potentially mitigate some of the associated health impacts.
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The post Microplastics in Placentas Linked to Premature Births Study appeared first on Archynetys.