{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T17:37:36Z","timestamp":1791221856030,"version":"4.1.0"},"reference-count":28,"publisher":"Elsevier BV","issue":"5","license":[{"start":{"date-parts":[[2016,11,1]],"date-time":"2016-11-01T00:00:00Z","timestamp":1477958400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2016,11,1]],"date-time":"2016-11-01T00:00:00Z","timestamp":1477958400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["ajog.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["American Journal of Obstetrics and Gynecology"],"published-print":{"date-parts":[[2016,11]]},"DOI":"10.1016\/j.ajog.2016.06.014","type":"journal-article","created":{"date-parts":[[2016,6,20]],"date-time":"2016-06-20T15:44:08Z","timestamp":1466437448000},"page":"561-571","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":203,"title":["Exercise during pregnancy in normal-weight women and risk of preterm birth: a systematic review and meta-analysis of randomized controlled\u00a0trials"],"prefix":"10.1016","volume":"215","author":[{"given":"Daniele","family":"Di Mascio","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7737-6474","authenticated-orcid":false,"given":"Elena Rita","family":"Magro-Malosso","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gabriele","family":"Saccone","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gregary D.","family":"Marhefka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincenzo","family":"Berghella","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajog.2016.06.014_bib1","first-page":"1","article-title":"Births: final data for 2014","volume":"64","author":"Hamilton","year":"2015","journal-title":"Natl Vital Stat Rep"},{"key":"10.1016\/j.ajog.2016.06.014_bib2","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1093\/oxfordjournals.aje.a008731","article-title":"Exercise, employment, other daily activities and adverse pregnancy outcome","volume":"143","author":"Schramm","year":"1996","journal-title":"Am J Epidemiol"},{"key":"10.1016\/j.ajog.2016.06.014_bib3","doi-asserted-by":"crossref","first-page":"273","DOI":"10.2165\/00007256-198908050-00003","article-title":"Prescription of aerobic exercise during pregnancy","volume":"8","author":"Wolfe","year":"1989","journal-title":"Sports Med"},{"key":"10.1016\/j.ajog.2016.06.014_bib4","doi-asserted-by":"crossref","first-page":"1484","DOI":"10.1067\/mob.2000.107096","article-title":"Beginning regular exercise in early pregnancy: effect on fetoplacental growth","volume":"183","author":"Clapp","year":"2000","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2016.06.014_bib5","doi-asserted-by":"crossref","first-page":"1067","DOI":"10.1249\/MSS.0b013e3182442fc9","article-title":"Exercise during pregnancy and the gestational age distribution: a cohort study","volume":"44","author":"Owe","year":"2012","journal-title":"Med Sci Sports Exerc"},{"key":"10.1016\/j.ajog.2016.06.014_bib6","doi-asserted-by":"crossref","first-page":"364","DOI":"10.1007\/s10995-008-0359-8","article-title":"Perceived barriers to physical activity among pregnant women","volume":"13","author":"Evenson","year":"2009","journal-title":"Matern Child Health J"},{"key":"10.1016\/j.ajog.2016.06.014_bib7","doi-asserted-by":"crossref","first-page":"773","DOI":"10.1016\/j.clp.2014.08.003","article-title":"Prevention of preterm birth in modern obstetrics","volume":"41","author":"Markham","year":"2014","journal-title":"Clin Perinatol"},{"key":"10.1016\/j.ajog.2016.06.014_bib8","unstructured":"Higgins JPT, Altman DG, Sterne JAC. Cochrane handbook for systematic reviews of\u00a0interventions, version 5.1.0 (update March 2011). The Cochrane Collaboration, 2001. Available at: www.cochrane-handbook.org. Accessed Dec. 20,\u00a02015."},{"key":"10.1016\/j.ajog.2016.06.014_bib9","doi-asserted-by":"crossref","first-page":"1006","DOI":"10.1016\/j.jclinepi.2009.06.005","article-title":"Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement","volume":"62","author":"Moher","year":"2009","journal-title":"J\u00a0Clin Epidemiol"},{"key":"10.1016\/j.ajog.2016.06.014_bib10","unstructured":"Carpenter MW, Sady SP, Sady MA, Haydon BB, Coustah DR, Thompson PD. Effects of exercise training in midpregnancy: a randomized controlled trial. Presented at the 37th annual meeting of the Society for Gynecologic Investigation, St Louis. Missouri, March 21-24,1990;Abstr.497, p.\u00a0345."},{"key":"10.1016\/j.ajog.2016.06.014_bib11","first-page":"53","article-title":"Maternal and perinatal effects of hydrotherapy in pregnancy","volume":"25","author":"Prevedel","year":"2003","journal-title":"Revista Brasil Ginecol Obstet"},{"key":"10.1016\/j.ajog.2016.06.014_bib12","doi-asserted-by":"crossref","first-page":"674","DOI":"10.1136\/bjsm.2008.047837","article-title":"Does exercise training during pregnancy affect gestational age? A randomized controlled trial","volume":"42","author":"Barakat","year":"2008","journal-title":"Br J Sports Med"},{"key":"10.1016\/j.ajog.2016.06.014_bib13","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1186\/1742-4755-6-1","article-title":"Water aerobics II: maternal body composition and perinatal outcomes after a program for low risk pregnant women","volume":"6","author":"Calvalcante","year":"2009","journal-title":"Reprod Health"},{"key":"10.1016\/j.ajog.2016.06.014_bib14","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1186\/1471-2393-11-66","article-title":"Exercise in pregnant women and birth weight: a randomized controlled trial","volume":"11","author":"Haakstad","year":"201130","journal-title":"BMC Pregnancy Childbirth"},{"key":"10.1016\/j.ajog.2016.06.014_bib15","doi-asserted-by":"crossref","first-page":"1388","DOI":"10.1016\/j.mayocp.2013.07.020","article-title":"Supervised exercise-based intervention to prevent gestational weight gain: a randomized controlled trial","volume":"88","author":"Ruiz","year":"2013","journal-title":"Mayo Clin Proc"},{"key":"10.1016\/j.ajog.2016.06.014_bib16","doi-asserted-by":"crossref","first-page":"2","DOI":"10.4278\/ajhp.130131-QUAN-56","article-title":"A\u00a0program of exercise throughout pregnancy. Is it safe to mother and newborn?","volume":"29","author":"Barakat","year":"2014","journal-title":"Am J Health Promot"},{"key":"10.1016\/j.ajog.2016.06.014_bib17","doi-asserted-by":"crossref","first-page":"1012","DOI":"10.1123\/jpah.2012-0344","article-title":"Exercise throughout pregnancy does not cause preterm delivery: a randomized, controlled trial","volume":"11","author":"Barakat","year":"2014","journal-title":"J\u00a0Phys Act Health"},{"key":"10.1016\/j.ajog.2016.06.014_bib18","doi-asserted-by":"crossref","first-page":"649.e1","DOI":"10.1016\/j.ajog.2015.11.039","article-title":"Exercise during pregnancy protects against hypertension and macrosomia: randomized clinical trial","volume":"214","author":"Barakat","year":"2016","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2016.06.014_bib19","doi-asserted-by":"crossref","first-page":"135","DOI":"10.1097\/AOG.0000000000001214","article-title":"Physical activity and exercise during pregnancy and the postpartum period. ACOG Committee opinion 650","volume":"126","year":"2015","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2016.06.014_bib20","first-page":"CD000180","article-title":"Aerobic exercise for women during pregnancy","author":"Kramer","year":"2006","journal-title":"Cochrane Database Syst Rev"},{"key":"10.1016\/j.ajog.2016.06.014_bib21","doi-asserted-by":"crossref","DOI":"10.1136\/bmj.e2088","article-title":"Effects of interventions in pregnancy on maternal weight and obstetric outcomes: meta-analysis of randomized evidence","volume":"344","author":"Thangaratinam","year":"2012","journal-title":"BMJ"},{"key":"10.1016\/j.ajog.2016.06.014_bib22","first-page":"CD000180","article-title":"Diet or exercise, or both, for preventing excessive weight gain in pregnancy","author":"Muktabhant","year":"2015","journal-title":"Cochrane Database of Systematic Reviews"},{"key":"10.1016\/j.ajog.2016.06.014_bib23","doi-asserted-by":"crossref","first-page":"1185","DOI":"10.1097\/AOG.0000000000000801","article-title":"The effect of supervised prenatal exercise on fetal growth: a meta-analysis","volume":"125","author":"Wiebe","year":"2015","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2016.06.014_bib24","doi-asserted-by":"crossref","first-page":"401.e1","DOI":"10.1016\/j.ajog.2014.03.030","article-title":"Effect of physical activity during pregnancy on mode of delivery","volume":"211","author":"Domenjoz","year":"2014","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2016.06.014_bib25","series-title":"Physical activity guidelines for Americans","year":"2008"},{"key":"10.1016\/j.ajog.2016.06.014_bib26","doi-asserted-by":"crossref","first-page":"10","DOI":"10.1186\/1742-4755-5-10","article-title":"Water aerobics in pregnancy: cardiovascular response, labor and neonatal outcomes","volume":"5","author":"Baciuk","year":"2008","journal-title":"Reprod Health"},{"key":"10.1016\/j.ajog.2016.06.014_bib27","doi-asserted-by":"crossref","first-page":"590.e1","DOI":"10.1016\/j.ajog.2009.06.004","article-title":"Type of delivery is not affected by light resistance and toning exercise training during pregnancy: a randomized controlled trial","volume":"201","author":"Barakat","year":"2009","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2016.06.014_bib28","doi-asserted-by":"crossref","first-page":"2372","DOI":"10.3109\/14767058.2012.696165","article-title":"Exercise during pregnancy reduces the rate of cesarean and instrumental deliveries: results of a randomized controlled trial","volume":"25","author":"Barakat","year":"2012","journal-title":"J\u00a0Matern Fetal Neonatal Med"}],"container-title":["American Journal of Obstetrics and Gynecology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937816303441?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937816303441?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,11]],"date-time":"2025-09-11T11:09:43Z","timestamp":1757588983000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0002937816303441"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,11]]},"references-count":28,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2016,11]]}},"alternative-id":["S0002937816303441"],"URL":"https:\/\/doi.org\/10.1016\/j.ajog.2016.06.014","relation":{},"ISSN":["0002-9378"],"issn-type":[{"value":"0002-9378","type":"print"}],"subject":[],"published":{"date-parts":[[2016,11]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Exercise during pregnancy in normal-weight women and risk of preterm birth: a systematic review and meta-analysis of randomized controlled\u00a0trials","name":"articletitle","label":"Article Title"},{"value":"American Journal of Obstetrics and Gynecology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ajog.2016.06.014","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2016 Published by Elsevier Inc.","name":"copyright","label":"Copyright"}]}}