{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,15]],"date-time":"2026-06-15T14:52:14Z","timestamp":1781535134150,"version":"3.54.5"},"reference-count":23,"publisher":"Georg Thieme Verlag KG","issue":"05","funder":[{"name":"Intramural Research Program of the National Institutes of Health"},{"name":"Federal funds for the NICHD Fetal Growth Studies \u2013 Singletons","award":["HHSN275200800013C"],"award-info":[{"award-number":["HHSN275200800013C"]}]},{"name":"Federal funds for the NICHD Fetal Growth Studies \u2013 Singletons","award":["HHSN275200800002I"],"award-info":[{"award-number":["HHSN275200800002I"]}]},{"name":"Federal funds for the NICHD Fetal Growth Studies \u2013 Singletons","award":["HHSN27500006"],"award-info":[{"award-number":["HHSN27500006"]}]},{"name":"Federal funds for the NICHD Fetal Growth Studies \u2013 Singletons","award":["HHSN275200800003IC"],"award-info":[{"award-number":["HHSN275200800003IC"]}]},{"name":"Federal funds for the NICHD Fetal Growth Studies \u2013 Singletons","award":["HHSN275200800014C"],"award-info":[{"award-number":["HHSN275200800014C"]}]},{"name":"Federal funds for the NICHD Fetal Growth Studies \u2013 Singletons","award":["HHSN275200800012C"],"award-info":[{"award-number":["HHSN275200800012C"]}]},{"name":"Federal funds for the NICHD Fetal Growth Studies \u2013 Singletons","award":["HHSN275200800028C"],"award-info":[{"award-number":["HHSN275200800028C"]}]},{"name":"Federal funds for the NICHD Fetal Growth Studies \u2013 Singletons","award":["HHSN275201000009C"],"award-info":[{"award-number":["HHSN275201000009C"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Am J Perinatol"],"published-print":{"date-parts":[[2026,4]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>This study aimed to examine whether the addition of fetal growth velocities, based on serial scans, compared with estimated fetal weight (EFW) alone, improves the prediction accuracy of birth weight (BW).<\/jats:p>\n                  <jats:p>From the prospective National Institute for Child Health and Human Development Fetal Growth Studies, Singletons (2009\u20132013) that recruited women at low-risk for aberrant fetal growth, we included 2,397 participants with two to five ultrasounds between 15 and 41 weeks. Fetal growth velocity (V) was calculated between successive visits. Linear regression estimated the relationship between EFW and BW: non-V model, absent all growth velocities, included EFW at visit 5, interval from visit 5 to delivery, their cubic polynomials, and delivery gestational age; all-V model added all available velocities between research visits (i.e., V2\u2009+\u2009V3\u2009+\u2009V4\u2009+\u2009V5) to the non-V model; single-V model added only the velocity between visits 4 and 5.<\/jats:p>\n                  <jats:p>Non-V performed the worst, with the highest mean absolute error of 197\u2009g and the lowest R\n                  2, 0.63. The two best performing models were all-V and single-V, with the lowest mean absolute error (192\u2009g for both), the highest R\n                  2 of 0.65 (for both), and the greatest proportion of predicted BWs within 10% of actual BW (84.7% for both).<\/jats:p>\n                  <jats:p>Integrating fetal growth velocities into BW estimating formulas improved BW prediction accuracy, which has the potential to guide clinical intervention decisions that rely on EFW.<\/jats:p>","DOI":"10.1055\/a-2677-6720","type":"journal-article","created":{"date-parts":[[2025,8,7]],"date-time":"2025-08-07T23:18:56Z","timestamp":1754608736000},"page":"682-690","source":"Crossref","is-referenced-by-count":0,"title":["Growth Velocity and Sonographic Estimation of Birth Weight among Low-Risk Pregnancies"],"prefix":"10.1055","volume":"43","clinical-trial-number":[{"clinical-trial-number":"nct00912132","registry":"10.18810\/clinical-trials-gov"}],"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"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Madeleine St.","family":"Ville","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"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9877-7931","authenticated-orcid":false,"given":"Jessica","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"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dian","family":"He","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"},{"name":"The Prospective Group, Inc., Fairfax, Virginia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"William A.","family":"Grobman","sequence":"additional","affiliation":[{"name":"Warren Alpert School of Medicine, Brown University, Providence, Rhode Island"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Skupski","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, New York Presbyterian Queens, Flushing, New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roger B.","family":"Newman","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John","family":"Owen","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, University of Alabama, Birmingham, Alabama"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edward K.","family":"Chien","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Cleveland Clinic, Cleveland, Ohio"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Angela C.","family":"Ranzini","sequence":"additional","affiliation":[{"name":"Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, The MetroHealth System\/Case Western Reserve University, Cleveland, Ohio"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sungduk","family":"Kim","sequence":"additional","affiliation":[{"name":"Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul S.","family":"Albert","sequence":"additional","affiliation":[{"name":"Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jagteshwar","family":"Grewal","sequence":"additional","affiliation":[{"name":"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"}],"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"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2025,8,21]]},"reference":[{"issue":"01","key":"ref1","first-page":"55","article-title":"Sonographic EFW and macrosomia: is there an optimum formula to predict 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