Maternal BMI and preterm birth: A systematic review of the literature with meta-analysis

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dc.contributor.authorTorloni, Maria Regina [UNIFESP]
dc.contributor.authorBetran, Ana Pilar
dc.contributor.authorDaher, Silvia [UNIFESP]
dc.contributor.authorWidmer, Mariana
dc.contributor.authorDolan, Siobhan M.
dc.contributor.authorMenon, Ramkumar
dc.contributor.authorBergel, Eduardo
dc.contributor.authorAllen, Tomas
dc.contributor.authorMerialdi, Mario
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionWHO
dc.contributor.institutionAlbert Einstein Coll Med
dc.contributor.institutionEmory Univ
dc.date.accessioned2016-01-24T13:52:11Z
dc.date.available2016-01-24T13:52:11Z
dc.date.issued2009-01-01
dc.description.abstractObjectives. To examine the association between high prepregnancy maternal body mass index (BMI) and the risk of preterm birth (PTB).Methods. A systematic review of the literature. We included cohorts and case-control studies published since 1968 that examined the association between BMI and PTB of all types, spontaneous (s), elective and with ruptured membranes (PPROM) in three gestational age categories: general (<37 weeks), moderate (32-36 weeks) and very (<32 weeks) PTB.Results. 20,401 citations were screened and 39 studies (1,788,633 women) were included. Preobese (BMI, 25-29.9) and obese I (BMI, 30-34.9) women have a reduced risk for sPTB: AOR - 0.85 (95% CI: 0.80-0.92) and 0.83 (95% CI: 0.75-0.92), respectively. Their risk for moderate PTB was 1.20 (95% CI: 1.04-1.38) and 1.60 (95% CI: 1.32-1.94), respectively. Obese II women (BMI, 35-40) have an increased risk for PTB in general (AOR = 1.33, 95% CI: 1.12-1.57) moderate (AOR - 2.43, 95% CI: 1.46-4.05) and very PTB (AOR - 1.96, 95% CI: 1.66-2.31). Obese III women (BMI > 40) have an even higher risk for very PTB (AOR = 2.27, 95% CI: 1.76-2.94). High BMI does not modify the risk for PPROM and increases the risk for elective PTB.Conclusions. High maternal BMI may have different effects on different types of PTB.en
dc.description.affiliationUniversidade Federal de São Paulo, Dept Obstet, São Paulo, Brazil
dc.description.affiliationWHO, Dept Reprod Hlth & Res, CH-1211 Geneva, Switzerland
dc.description.affiliationAlbert Einstein Coll Med, Dept Obstet & Gynecol & Womens Hlth, New York, NY USA
dc.description.affiliationEmory Univ, Dept Epidemiol, Rollins Sch Publ Hlth, Atlanta, GA 30322 USA
dc.description.affiliationWHO, Dept Knowledge Management & Sharing, CH-1211 Geneva, Switzerland
dc.description.affiliationUnifespUniversidade Federal de São Paulo, Dept Obstet, São Paulo, Brazil
dc.description.sourceWeb of Science
dc.format.extent957-970
dc.identifierhttp://dx.doi.org/10.3109/14767050903042561
dc.identifier.citationJournal of Maternal-fetal & Neonatal Medicine. Abingdon: Taylor & Francis Ltd, v. 22, n. 11, p. 957-970, 2009.
dc.identifier.doi10.3109/14767050903042561
dc.identifier.issn1476-7058
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/31243
dc.identifier.wosWOS:000270939400001
dc.language.isoeng
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofJournal of Maternal-fetal & Neonatal Medicine
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.rights.licensehttp://journalauthors.tandf.co.uk/permissions/reusingOwnWork.asp
dc.subjectBody mass indexen
dc.subjectobesityen
dc.subjectpremature birthen
dc.subjectpreterm laboren
dc.subjectoverweighten
dc.subjectadiposityen
dc.subjectliterature reviewen
dc.subjectmeta-analysisen
dc.titleMaternal BMI and preterm birth: A systematic review of the literature with meta-analysisen
dc.typeinfo:eu-repo/semantics/article
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