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Beyond the cradle – Amidst microplastics and the ongoing peril during pregnancy and neonatal stages: A holistic review
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This review compiles research on how microplastics affect pregnancy and newborns, noting that these particles have been found in the placenta, amniotic fluid, meconium, and breast milk. Microplastic exposure during pregnancy has been linked to complications including preeclampsia, preterm birth, and stillbirth, though more research is needed to confirm direct causation. After birth, infants continue to be exposed through feeding bottles, formula, and breast milk, making early life a period of particularly high concern.
Advancements in research concerning the occurrence of microplastics (MPs) in human blood, sputum, urine, and breast milk samples have piqued the interest of the scientific community, prompting further investigation. MPs present in the placenta, amniotic fluid, and meconium raise concerns about interference with embryonic development, leading to preeclampsia, stillbirth, preterm birth, and spontaneous abortion. The challenges posed by MPs extend beyond pregnancy, affecting the digestive, reproductive, circulatory, immune, and central nervous systems. This has spurred scientists to examine the origins of MPs in distinct environmental layers, including air, water, and soil. These risks continue after birth, as neonates are continuously exposed to MPs through everyday items such as breast milk, cow milk and infant milk powder, as well as plastic-based products like feeding bottles and breast milk storage bags. It is the need of the hour to strike a balance amidst lifestyle changes, alternative choices to traditional plastic products, raising awareness about plastic-related health risks, and fostering collaboration between the scientific community and policymakers. This review aims to provide fresh insights into potential sources of MP pollution, with a specific focus on pregnancy and neonates. It is the first compilation of its kind so far that includes critical studies on recently reported discoveries.
More Papers Like This
Underrecognized routes of microplastic exposure in gestating women and neonates – A focused review on sources, risks, alternative interventions and control
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Tiny plastic bits called microplastics have been found in some surprising places: a mother's blood, breast milk, baby bottles, and even cow's milk and infant formula. This review pulls together existing research showing these plastics can cross the placenta and may be linked to serious pregnancy complications like premature birth and miscarriage, while also exposing newborns through everyday items like feeding bottles and hospital plastic supplies. The takeaway isn't to panic, but the authors urge parents, doctors, and policymakers to start rethinking plastic use during pregnancy and infant feeding while scientists learn more.
Microplastics in the Perinatal Period: Emerging Evidence on Maternal Exposure, Placental Transfer, and Fetal Health Outcomes
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This review summarizes emerging evidence that microplastics can cross the placenta and reach developing babies, having been detected in maternal blood, placental tissue, amniotic fluid, cord blood, and breast milk. The tiny plastic particles may damage the placenta, disrupt hormones, alter immune responses, and potentially affect fetal growth and brain development. While more research is needed, the findings raise serious concerns about microplastic exposure during pregnancy and its implications for infant health.
Microplastics and child health: A scoping review of prenatal and early-life exposure routes and potential health risks
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This scoping review examined how microplastics reach children through prenatal and early-life exposure routes, including placental transfer, breast milk, formula, and feeding bottles. The evidence indicates that microplastic exposure begins before birth and continues through infancy via multiple pathways, raising concerns about potential developmental health effects during these particularly vulnerable life stages.
Early life in the Plasticene: short- and long-term effects of perinatal exposure to microplastics and plastic-associated chemicals – PART I
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This review summarizes existing research on how babies may be exposed to microplastics and plastic chemicals before birth. Studies found microplastics in the placenta, amniotic fluid and cord blood, with possible links to altered fetal growth and hormone levels, though evidence remains preliminary and limited by inconsistent study methods.
Detection of various microplastics in placentas, meconium, infant feces, breastmilk and infant formula: A pilot prospective study
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In a pilot study of 18 mother-infant pairs, researchers detected microplastics in placentas, meconium (first stool), infant feces, breast milk, and infant formula. The finding of microplastics in breast milk and formula means that infants are exposed to microplastics from their earliest feedings, both natural and artificial. This study reveals that microplastic exposure begins before birth and continues through infancy, a critical period of development.
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