{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T04:29:58Z","timestamp":1793248198277,"version":"4.5.0"},"reference-count":27,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,9,2]],"date-time":"2023-09-02T00:00:00Z","timestamp":1693612800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Paediatric Perinatal Epid"],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>There is a paucity of data on whether parents' macrosomia (birthweight \u22654500\u2009g) status influences the risk of macrosomia in the offspring. The role of maternal overweight in the generational effect of macrosomia is not known.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To estimate the risk of macrosomia by parental birthweight at term and evaluate if this risk varied with maternal body mass index (BMI, kg\/m<jats:sup>2<\/jats:sup>) early in pregnancy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We used data from the Medical Birth Registry of Norway on all singleton term births (37\u201342 gestational weeks) during 1967\u20132017. The primary exposure was parental macrosomia, and the outcome was macrosomia in the second generation. The secondary exposure was maternal BMI. We used binomial regression to calculate relative risk (RR) with a 95% confidence interval. We assessed potential unmeasured confounding and selection bias using a probabilistic bias analysis and performed analyses with and without imputation for variables with missing values.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The data included 647,957 singleton parent\u2010offspring trios born at term. The prevalence of macrosomia was 3.2% (<jats:italic>n<\/jats:italic>\u2009=\u200941,396) in the parental generation and 4.0% (<jats:italic>n<\/jats:italic>\u2009=\u200925,673) in the offspring generation. Macrosomia in parents was associated with an increased risk of macrosomia in offspring, with the RR for both parents were born macrosomic being 6.53 (95% confidence interval [CI] 5.31, 8.05), only mother macrosomic 3.37 (95% CI 3.17, 3.57) and only father macrosomic RR 2.22 (95% CI 2.12, 2.33). These risks increased by maternal BMI in early pregnancy: if both parents were born macrosomic, 17% of infants were macrosomic among mothers with normal BMI. If both parents were macrosomic and the mothers were obese, 31% of offspring were macrosomic. Macrosomia\u2010related adverse outcomes did not differ with parental macrosomia status.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Parents' weight at birth and maternal BMI appear to be strongly associated with macrosomia in the offspring delivered at term gestations.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ppe.13005","type":"journal-article","created":{"date-parts":[[2023,9,2]],"date-time":"2023-09-02T11:40:06Z","timestamp":1693654806000},"page":"183-192","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Paternal and maternal birthweight and offspring risk of macrosomia at term gestations: A nationwide population study"],"prefix":"10.1111","volume":"38","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2151-3182","authenticated-orcid":false,"given":"Svein","family":"Rasmussen","sequence":"first","affiliation":[{"name":"Department of Clinical Science, Maternal\u2010Fetal\u2010Neonatal Research University of Bergen  Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1615-5536","authenticated-orcid":false,"given":"Ellen \u00d8en","family":"Carlsen","sequence":"additional","affiliation":[{"name":"Centre for Fertility and Health Norwegian Institute of Public Health  Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5865-0581","authenticated-orcid":false,"given":"Lorentz Erland","family":"Linde","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Haukeland University Hospital  Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8256-0778","authenticated-orcid":false,"given":"Nils\u2010Halvdan","family":"Morken","sequence":"additional","affiliation":[{"name":"Department of Clinical Science, Maternal\u2010Fetal\u2010Neonatal 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