{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T20:07:34Z","timestamp":1791317254223,"version":"4.3.1"},"reference-count":33,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2016,1,20]],"date-time":"2016-01-20T00:00:00Z","timestamp":1453248000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Norwegian South-Eastern Regional Health Authority"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"published-print":{"date-parts":[[2017,1]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To examine the effect of a prenatal lifestyle intervention on postpartum weight retention (<jats:styled-content style=\"fixed-case\">PPWR<\/jats:styled-content>).<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Randomised controlled trial.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Healthcare clinics in southern Norway.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>Healthy, nulliparous women with body mass index \u226519\u00a0kg\/m<jats:sup>2<\/jats:sup>, age \u226518\u00a0years, and singleton pregnancy of \u226420 gestational weeks.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Women were randomised to intervention (dietary counselling twice by phone and access to twice\u2010weekly exercise groups during pregnancy) or control group (standard prenatal care). Intervention compliance was defined post\u2010factum as attending dietary counselling and \u226514 exercise classes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main outcome measures<\/jats:title><jats:p><jats:styled-content style=\"fixed-case\">PPWR<\/jats:styled-content> (weight measured postpartum minus self\u2010reported pre\u2010pregnancy weight) and the proportion of women returning to pre\u2010pregnancy weight.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 606 women randomised, 591 were included in an intention\u2010to\u2010treat analysis of pregnancy outcomes and 391 (64.5%) were analysed 12\u00a0months postpartum. Mean <jats:styled-content style=\"fixed-case\">PPWR<\/jats:styled-content> was not significantly different between groups (0.66\u00a0kg for intervention versus 1.42\u00a0kg for control group, mean difference \u22120.77\u00a0kg, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> \u22121.81, 0.28; <jats:italic>P\u00a0<\/jats:italic>=\u00a00.149). An increased proportion of intervention participants achieved pre\u2010pregnancy weight (53% versus 43%, <jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content> 1.50, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> 1.003, 1.471; <jats:italic>P\u00a0<\/jats:italic>=\u00a00.045). However, the difference was not statistically significant when we adjusted for missing data (adjusted odds ratio (<jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>) 2.23, <jats:italic>P\u00a0<\/jats:italic>=\u00a00.067) using logistic mixed\u2010effects models analysis. Women compliant with intervention had significantly lower <jats:styled-content style=\"fixed-case\">PPWR<\/jats:styled-content> than control participants, also after adjusting for potential confounders (adjusted mean diff \u22121.54\u00a0kg, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content> \u22123.02, \u22120.05; <jats:italic>P\u00a0<\/jats:italic>=\u00a00.039).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The Norwegian Fit for Delivery intervention had little effect on <jats:styled-content style=\"fixed-case\">PPWR<\/jats:styled-content>, although women who were compliant with the intervention demonstrated significantly lower <jats:styled-content style=\"fixed-case\">PPWR<\/jats:styled-content> at 12\u00a0months.<\/jats:p><\/jats:sec><jats:sec><jats:title>Tweetable abstract<\/jats:title><jats:p>Norwegian Fit for Delivery <jats:styled-content style=\"fixed-case\">RCT<\/jats:styled-content>: little effect of lifestyle intervention on weight retention 1\u00a0year postpartum.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1471-0528.13863","type":"journal-article","created":{"date-parts":[[2016,1,20]],"date-time":"2016-01-20T06:30:42Z","timestamp":1453271442000},"page":"111-121","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["The effect of prenatal lifestyle intervention on weight retention 12\u00a0months postpartum: results of the <scp>N<\/scp>orwegian <scp>F<\/scp>it for <scp>D<\/scp>elivery randomised controlled trial"],"prefix":"10.1111","volume":"124","author":[{"given":"LR","family":"Sagedal","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology S\u00f8rlandet Hospital Kristiansand Norway"},{"name":"Department of Research S\u00f8rlandet Hospital Kristiansand Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B","family":"Sanda","sequence":"additional","affiliation":[{"name":"Department of Obstetrics 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