We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Plasticenta: First evidence of microplastics in human placenta
AI summary Read the abstract
In a landmark study, researchers detected microplastics in human placental tissue for the first time, finding 12 plastic fragments in placentas from four out of six women with healthy pregnancies. The particles were identified as polypropylene and dyed plastics likely from packaging or cosmetics, raising concerns about potential effects on fetal development and pregnancy.
Microplastics are particles smaller than five millimeters deriving from the degradation of plastic objects present in the environment. Microplastics can move from the environment to living organisms, including mammals. In this study, six human placentas, collected from consenting women with physiological pregnancies, were analyzed by Raman Microspectroscopy to evaluate the presence of microplastics. In total, 12 microplastic fragments (ranging from 5 to 10 μm in size), with spheric or irregular shape were found in 4 placentas (5 in the fetal side, 4 in the maternal side and 3 in the chorioamniotic membranes); all microplastics particles were characterized in terms of morphology and chemical composition. All of them were pigmented; three were identified as stained polypropylene a thermoplastic polymer, while for the other nine it was possible to identify only the pigments, which were all used for man-made coatings, paints, adhesives, plasters, finger paints, polymers and cosmetics and personal care products.
More Papers Like This
Plasticenta: Microplastics in Human Placenta
AI summary Read the abstract
This study analyzed six human placentas using Raman microspectroscopy and found colored microplastic particles in all samples, providing direct evidence that microplastics can cross the placental barrier and reach fetal tissue. This groundbreaking finding demonstrates that unborn babies are exposed to microplastics before birth, raising urgent questions about potential developmental impacts.
Quantitation and identification of microplastics accumulation in human placental specimens using pyrolysis gas chromatography mass spectrometry
AI summary Read the abstract
Researchers analyzed 62 human placenta samples and found microplastics in every single one, with concentrations ranging from 6.5 to 685 micrograms per gram of tissue. Polyethylene, the most common plastic in everyday products, made up 54% of the plastics found. This widespread presence of microplastics in placentas raises concerns about fetal exposure during pregnancy and potential effects on development.
Deeply in Plasticenta: Presence of Microplastics in the Intracellular Compartment of Human Placentas
AI summary Read the abstract
Researchers analyzed human placenta samples and for the first time located microplastics within the intracellular compartment of placental tissue, not just on the surface. They found various polymer types including polyethylene and polypropylene embedded inside placental cells. The discovery that microplastics penetrate into the interior of human cells raises new questions about their potential biological effects during pregnancy.
Characterization of micro- and nanoplastics in human placental tissue by pyrolysis gas chromatographic ion mobility mass spectrometry
AI summary Read the abstract
Scientists used a sensitive new testing method to look for tiny plastic particles in placentas from 46 pregnancies, finding plastic in about 4 in 10 people tested. While this study didn't find a clear link between plastic levels and pregnancy complications, the amounts varied a lot between samples and there was a hint (not yet proven) that plastic exposure might affect male and female babies differently, meaning bigger studies are needed to figure out if these ubiquitous plastic particles pose a real risk during pregnancy.
Particulate Contamination of Human Placenta: Plastic and non-plastic
AI summary Read the abstract
Researchers characterized both plastic and non-plastic particulate contaminants found in human placental tissue from healthy pregnancies. They detected microplastics alongside other particles in placenta samples collected from both vaginal and caesarean deliveries at an urban Canadian hospital. The findings add to growing evidence that the human womb is exposed to a variety of environmental particulate contaminants during pregnancy.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.