| Excessive weight gain in term twin pregnancies: examining the 2009 institute of medicine definitions. | |
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MedLine Citation:
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PMID: 22015867 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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OBJECTIVE: : To estimate pregnancy outcomes in twin pregnancies with excessive weight gain, according to the 2009 Institute of Medicine (IOM) recommendations. METHODS: : A retrospective cohort of 170 patients from a single practice with twin pregnancies at 37 weeks or more of gestation from 2005 to 2010 were analyzed. We compared outcomes between three cohorts based on the 2009 IOM recommendations for weight gain during pregnancy: poor weight gain, normal weight gain, and excessive weight gain. One-way analysis of variance and χ for trend were used when appropriate. RESULTS: : Comparing poor, normal, and excessive weight gain, the proportion of women delivering both newborns weighing more than 2,500 g increased from 40% to 60.5% to 79.5% across the three groups (P<.001). Additionally, the mean birth weight of the larger (P<.001) and smaller (P=.002) twin increased significantly across the three groups. The proportion of women with gestational diabetes, gestational hypertension, or pre-eclampsia did not increase significantly across the three subgroups. Our results were similar when we only included women with a normal prepregnancy body mass index. CONCLUSION: : Excessive weight gain in term twin gestations, as defined by the IOM, does not appear to be associated with worse maternal outcomes and is associated with larger birth weights. Our results call into question the 2009 IOM definition of excessive weight gain for a twin pregnancy. LEVEL OF EVIDENCE: : II. |
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Authors:
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Nathan S Fox; Daniel H Saltzman; Howard Kurtz; Andrei Rebarber |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Obstetrics and gynecology Volume: 118 ISSN: 1873-233X ISO Abbreviation: Obstet Gynecol Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-10-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401101 Medline TA: Obstet Gynecol Country: United States |
Other Details:
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Languages: eng Pagination: 1000-4 Citation Subset: AIM; IM |
Affiliation:
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From Maternal Fetal Medicine Associates, PLLC, and the Department of Obstetrics, Gynecology, and Reproductive Science, Mount Sinai School of Medicine, New York, New York. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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