July 24, 2026 · American journal of perinatology · DOI: 10.1055/a-2909-9486

Comparison of the 2025 Third-Generation and 2013 Fenton Growth Charts in Preterm Infants Born before 35 Weeks: A Retrospective Cohort Study

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The study aimed to compare the classification of birth size in preterm infants using the Fenton 2025 growth charts against the Fenton 2013 charts. The findings revealed that while there was high overall agreement between the two chart versions, the Fenton 2025 charts identified a significantly higher proportion of infants as small for gestational age (SGA), particularly affecting birth weight classifications. This shift has important clinical implications, especially for the management of preterm infants.

Dumisani Kamwana, Venkateshwarlu Vardhelli, Nicholas Hoque, Zakariya B Puthattayil, Sangeeta S Kumar, Hassib Narchi, Krystel Chedid

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