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New Delhi: A study conducted by researchers in AIIMS, Delhi has traced the exact biological chain through which urban air pollution damages unborn babies, shutting down a protein critical for foetal growth and causing effects that can stretch into late childhood.

The ICMR-funded work, published in EMBO Molecular Medicine, lays out for the first time the step-by-step molecular process by which particulate matter PM2.5 and PM10 can breach the placental barrier and trigger oxidative stress and inflammation that disrupt foetal development, The Hindu reported.

The fallout includes placental dysfunction, preterm birth, low birth weight and........

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