New research has revealed a correlation linking gestational diabetes and preeclampsia — two of the most common pregnancy complications — with developmental delays in fetuses. The multi-university study, led by the Keck School of Medicine of USC, found that newborns who had been exposed to such complications were biologically younger than their chronological gestational age.

The results have led to new questions regarding pregnancy complications, including whether this correlation could indicate a possible causation of delayed infant development, or how certain stressors could impact the health of not only newborns, but the children they grow into. The study was published in JAMA Network Open.

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