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Estimated fetal weight standards of the INTERGROWTH-21 st project for the prediction of adverse outcomes: a systematic review with meta-analysis.

Fernanda RebeloThaís R B CarrilhoRaquel CanutoMichael M SchlusselDayana R FariasEric O OhumaGilberto Kac
Published in: The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians (2023)
The IG-21 EFW standard has low sensitivity and high specificity for adverse events of pregnancy. Classification <10th percentile identifies a high-risk group for developing maternal, fetal and neonatal adverse outcomes, especially neonatal small for gestational age, Apgar <7 at 5 min, and neonatal intensive care unit admission. Future studies should include blind assessment of outcomes, perform calibration analysis with continuous data, and evaluate alternative cutoff points.
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