Effect of adherence to nutrition guidelines and use of fortification of feeds on the growth of late preterm neonates

Isabella DeStefano, Adanna Ibeku, Krystal Hunter, Melissa Micallef and Alla Kushnir

PLOS ONE, 2026, vol. 21, issue 9, 1-12

Abstract: “Late preterm” or “LPT” neonates are generally defined as infants born between 34 0/7 and 36 6/7 weeks gestation and constitute approximately 74% of all preterm births. While much effort has been put into evaluating the nutritional needs of early preterm or low birthweight infants, there is a shortage of research on the nutritional needs of LPT infants. This work examined how adherence to current nutrition guidelines and how the use of fortification of feeds affected the growth of LPT neonates in the first year of life. A retrospective chart review was conducted of 898 neonates born between 34 0/7 and 36 6/7 weeks gestation, as identified from electronic medical records. The study site where the data was obtained was an urban hospital in New Jersey. Head circumference, weight, and length at birth, documented as measurements, percent, and z-scores, at discharge, at two months, at six months, and at twelve months post birth, were collected and evaluated. Data regarding the neonate’s feeding regimen, caloric fortification, and type of nutrition at the point of discharge were assessed. Data were analyzed using independent t-tests and Mann-Whittney U tests to assess the relationship between adherence and growth parameters. Of these participants, 50.1% were male, the mean gestational age was 34.91 (±1.19), and the mean birth weight was 2317 (±489) grams. Infants with lower birth weight (BW) were more likely to receive fortification (BW p

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0357791

DOI: 10.1371/journal.pone.0357791

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