Weight gain in twin gestations: are the Institute of Medicine guidelines optimal for neonatal outcomes? Journal Article

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Authors: Lal, A. K.; Kominiarek, M. A.
Article Title: Weight gain in twin gestations: are the Institute of Medicine guidelines optimal for neonatal outcomes?
Abstract: Objective:To assess neonatal outcomes according to gestational weight gain (GWG) in twins.Study Design:This was a retrospective cohort study of twins delivered at 24 weeks. GWG was defined using the Institute of Medicine (IOM) guidelines as the referent. Birthweight and neonatal intensive-care unit (NICU) admissions were compared with >/=2- and analysis of variance tests, stratified by body mass index (BMI).Result:In all three BMI groups, mean birth weight of the larger and smaller twin increased as GWG increased, P0.01. For the underweight/normal-weight group, both twins 2500 g, 1500 g and small for gestational age decreased significantly as GWG increased. Birthweight 2500 g increased in all groups with GWG below the IOM guidelines, P0.01. In the multivariate analysis, both twins 2500 g were significantly decreased with GWG above IOM guidelines. There was no difference in NICU admissions with GWG above the IOM guidelines.Conclusion:GWG above the IOM guidelines may improve twin birth weights, with the findings most significant in underweight/normal-weight women.Journal of Perinatology advance online publication, 29 January 2015; doi:10.1038/jp.2014.237.
Journal Title: Journal of Perinatology
Volume: 35
Issue: 6
ISSN: 0743-8346
Publisher: Unknown  
Date Published: 2015
Start Page: 405
End Page: 410
Language: ENG
DOI/URL:

10.1038/jp.2014.237
Notes: LR: 20150131; JID: 8501884; 2014/09/11 [received]; 2014/11/20 [revised]; 2014/12/02 [accepted]; aheadofprint