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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.
During the critical phases of pregnancy, plastic exposure imposes risks to the health of the mother and the developing embryo. Recent reports revealing the occurrence of Microplastics (MPs) in different body fluids, including blood, urine, and sputum, have left the scientific community in shock, compelling further investigation. MPs were found to cross the placental barrier, indicating interference with embryonic development. Serious consequences like preterm birth, spontaneous abortion, stillbirth, and preeclampsia can result from such interferences. Besides, risks of MPs continue after birth, especially neonatal exposure to MP-contaminated materials and food sources. The wide usage of plastic items in maternity wards and surgical stations also poses a risk to the infant immediately following their birth. Reports revealing the presence of MPs in breast milk (0.24–0.39 MPs/gm), cow milk (204–1004 MPs per 100 mL), infant milk food (≥10 MPs/100 g), feeding bottles (209 MPs/bottle) and breast milk storage bags (0.61–0.89 mg/day) have surfaced recently and are a huge concern to obstetricians and gynaecologists. This review reports gestational and neonatal MP exposure under the same roof, emphasizing occupational and nosocomial sources. To control the widespread adversities of MPs and prevent their transmission to the next generations, it is crucial to strike a balance among behavioral changes, lifestyle modifications, substituting conventional plastics, and encouraging collaboration between scientists and policymakers. The current review aims to spread awareness related to adversities posed by MPs on fetal and neonatal health, common sources of MP exposure within the niche population, alternative interventions to plastic items during the critical stages of gestation and lactation, and mitigation strategies, thus bridging the gaps between healthcare, policy making, and sustainability concerns revolving around plastic contamination.
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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.
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.
Microplastic trafficking in maternal-fetal system: a systematic review and quantitative profiling linking particle characteristics to developmental biology
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This review pulls together existing studies to show that tiny plastic particles show up throughout pregnancy—in the placenta, amniotic fluid, breast milk, and even the uterine lining—with the smallest particles (under 100 micrometers, thinner than a human hair) most likely to cross into the fetus. Different tissues also seem to collect different types of plastic, suggesting exposure happens at multiple points during development rather than through one single pathway. While this doesn't yet prove harm to babies, it means microplastic exposure during pregnancy is more widespread and complex than previously thought, underscoring the need for more research into potential health
Microplastic trafficking in maternal-fetal system: a systematic review and quantitative profiling linking particle characteristics to developmental biology
AI summary Read the abstract
This review pulls together existing studies to show that tiny plastic particles show up in placentas, breast milk, amniotic fluid, and even the uterine lining—suggesting babies can be exposed to microplastics before and after birth. The type and amount of plastic differed by body tissue, with the smallest particles (under 100 micrometers) most likely to cross the placenta, hinting that particle size and where it ends up in the body matter as much as how much plastic pollution someone is exposed to overall. While this doesn't yet prove these particles cause harm, it gives scientists a clearer roadmap for studying how plastic exposure might aff
Microplastic trafficking in maternal-fetal system: a systematic review and quantitative profiling linking particle characteristics to developmental biology
AI summary Read the abstract
This review pulls together existing research to show that tiny plastic particles show up not just randomly, but in specific patterns across the placenta, breast milk, amniotic fluid, and even the uterine lining — with the smallest particles (under 100 micrometers) most likely to cross into the fetus. This matters because it suggests plastic exposure during pregnancy isn't just about how much plastic is in the environment, but about how particle size and type interact with the body's own biology, meaning some stages of pregnancy and breastfeeding may carry more risk than others. More research is still needed to understand what this exposure actually means for babies' health.
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