{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,28]],"date-time":"2026-05-28T23:04:01Z","timestamp":1780009441811,"version":"3.53.1"},"reference-count":41,"publisher":"Georg Thieme Verlag KG","issue":"08","funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"crossref","award":["Contract No. HHSN267200603425C"],"award-info":[{"award-number":["Contract No. HHSN267200603425C"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am J Perinatol"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The objective of this study was to evaluate obstetric, maternal, and perinatal outcomes by delivery week for pregnancies with gestational diabetes mellitus (GDM) and without diabetes.<\/jats:p>\n                  <jats:p>We conducted a secondary analysis of electronic medical record data from 9,696 (5.3%) GDM pregnancies and 173,323 pregnancies without any diabetes delivered at 34 to 40 weeks. Composite and individual outcomes included maternal (e.g., death, hypertensive disorders, hemorrhage); primary neonatal morbidity and perinatal mortality (e.g., death, ventilation use, sepsis, seizures, injury); secondary neonatal (e.g., shoulder dystocia, hypoglycemia); and neonatal respiratory support\/morbidity from chart review. Modified Poisson regression with generalized estimating equations calculated adjusted relative risks (RR) for differences in outcome rates by GDM status and fetus at risk model for outcomes at delivery compared with ongoing pregnancies.<\/jats:p>\n                  <jats:p>A higher proportion of GDM pregnancies delivered at each week prior to 39 weeks compared with no diabetes (2.5, 3.9, 7.4, 17.2, 32, and 36.9% for GDM and 1.4, 2.3, 5.0, 11.0, 24.6, and 38.4% for no diabetes, at 34, 35, 36, 37, 38, and 39 weeks, respectively, p\u2009&lt;\u20090.001). Among GDM, compared with ongoing pregnancy, risk of maternal composite was higher for delivery at 37 weeks, 20.5 versus 11.6% (RR: 1.71; 95% confidence interval [CI]: 1.51\u20131.92) and 38 weeks, 14.9 versus 9.4% (RR: 1.62; 95% CI: 1.42\u20131.84) driven by hypertensive disorders (18.3% at 37 and 23.5% at 38 vs. 10.1% at 39 weeks); and risk of primary neonatal composite was higher at 37 weeks, 2.3 versus 1.1% (RR: 2.00; 95% CI: 1.33\u20133.00). Risk of stillbirth was higher at 37 weeks, 0.41 versus 0.11% (RR: 3.62; 95% CI: 1.22\u201310.75) among GDM, suggesting that it was an indication for earlier delivery.<\/jats:p>\n                  <jats:p>For GDM-complicated pregnancies, earlier delivery at 37 and 38 weeks compared with ongoing pregnancy was associated with higher risk of maternal morbidity likely due to having hypertensive disorders and delivery at 37 weeks with higher risk for serious neonatal morbidity.<\/jats:p>","DOI":"10.1055\/a-2827-9690","type":"journal-article","created":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T23:53:59Z","timestamp":1772841239000},"page":"1016-1024","source":"Crossref","is-referenced-by-count":0,"title":["Maternal, Obstetric, and Perinatal Outcomes in Late Preterm and Term Births with Gestational Diabetes versus Normoglycemia"],"prefix":"10.1055","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0276-8534","authenticated-orcid":false,"given":"Katherine L.","family":"Grantz","sequence":"additional","affiliation":[{"name":"Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9877-7931","authenticated-orcid":false,"given":"Jessica L.","family":"Gleason","sequence":"additional","affiliation":[{"name":"Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edwina","family":"Yeung","sequence":"additional","affiliation":[{"name":"Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fasil","family":"Tekola-Ayele","sequence":"additional","affiliation":[{"name":"Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Diane L.","family":"Putnick","sequence":"additional","affiliation":[{"name":"Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yong","family":"Ma","sequence":"additional","affiliation":[{"name":"The Prospective Group, Inc., Fairfax, Virginia, United States"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2992-7187","authenticated-orcid":false,"given":"Christina M.","family":"Scifres","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, Indiana, United States"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhen","family":"Chen","sequence":"additional","affiliation":[{"name":"Biostatistics and Bioinformatics Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2026,3,27]]},"reference":[{"issue":"02","key":"ref1","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1016\/j.ogc.2007.03.002","article-title":"The increasing prevalence of diabetes in pregnancy","volume":"34","author":"K J Hunt","year":"2007","journal-title":"Obstet Gynecol Clin North Am"},{"issue":"01","key":"ref2","doi-asserted-by":"crossref","first-page":"16","DOI":"10.15585\/mmwr.mm7201a4","article-title":"QuickStats: Percentage of Mothers with Gestational Diabetes,* by Maternal Age - National Vital Statistics System, United States, 2016 and 2021","volume":"72","year":"2023","journal-title":"MMWR Morb Mortal Wkly Rep"},{"issue":"02","key":"ref3","doi-asserted-by":"crossref","first-page":"e49","DOI":"10.1097\/AOG.0000000000002501","article-title":"ACOG Practice Bulletin No. 190: gestational diabetes mellitus","volume":"131","author":"ACOG Practice Bulletin 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