Persistence of underweight status among late preterm infants

Archives of Pediatrics & Adolescent Medicine
Neera GoyalScott A Lorch

Abstract

To determine the association of late preterm gestation (34-36 weeks' gestation) with underweight status in infancy. Retrospective cohort study. Thirty-one primary care sites within a hospital-owned network, from January 1, 2007, through June 30, 2009. Seven thousand eight hundred sixty-six infants with gestational ages ranging from 34 to 42 weeks, followed up through the first 18 months of life. Analytic sample consisted of 7624 infants examined at 6 months of age; 7132, at 1 year; and 6957, at 18 months. Late preterm (34-36 weeks), early term (37-38 weeks), or full-term (39-42 weeks) gestation. Weight-for-age z score of 2 or less at 6, 12, and 18 months. Compared with full-term gestation, late preterm gestation was associated with increased adjusted odds ratios (AORs) of weight-for-age z score of 2 or less at 6 months (AOR, 3.48 [95% CI, 2.17-5.72]) and 12 months (2.22 [1.07-4.61]). At 18 months, this association was not significant (AOR, 1.62 [95% CI, 0.69-3.84]). After exclusion of infants who were small for their gestational age, late prematurity was associated with underweight status when defined as a decline from birth weight of more than the 10th percentile to a weight-for-age z score of 2 or less at 6 months (AOR, 3.35 ...Continue Reading

Citations

Jan 3, 2015·Paediatric Respiratory Reviews·Katharine C Pike, Jane S A Lucas
May 17, 2019·Journal of Pediatric Gastroenterology and Nutrition·Alexandre LapillonneUNKNOWN ESPGHAN Committee on Nutrition
Oct 1, 2019·Journal of Pediatric Gastroenterology and Nutrition·Kathleen J HollandWilliam E Bennett
Jun 14, 2017·Indian Pediatrics·Priyanka GuptaAmit Upadhyay

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