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Updated: Jan 12, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
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Timing of Antenatal Corticosteroid Administration and Neonatal Outcomes

Nir Melamed1, Kellie E Murphy, Christy Pylypjuk

  • 1Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynaecology, Sunnybrook Health Sciences Centre (N.M.), and Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynaecology, Mount Sinai Hospital (K.E.M.), Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario; Department Obstetrics, Gynecology and Reproductive Sciences, University of Manitoba, Winnipeg (C.P.); Department of Pediatrics, Surrey Memorial Hospital, University of British Columbia, Vancouver (R.S.); Department of Neonatology, CHU Sainte-Justine, Montreal, Quebec (G.E.); and Maternal-Infant Care Research Centre (MiCare), Mount Sinai Hospital (E.W.Y., P.S.S.); and Department of Neonatology, Mount Sinai Hospital, Temerty Faculty of Medicine, University of Toronto (P.S.S.), Toronto, Ontario, Canada.

Obstetrical & Gynecological Survey
|November 6, 2025
PubMed
Summary

Antenatal corticosteroids (ANCS) effectively reduce risks for preterm birth before 34 weeks. This study clarifies the precise timing of ANCS benefits within the first week and beyond.

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