{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T16:00:46Z","timestamp":1786118446083,"version":"build-2736575974"},"reference-count":31,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T00:00:00Z","timestamp":1775088000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T00:00:00Z","timestamp":1775088000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Prenatal Diagnosis"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Fetal airway anomalies can severely impair breathing at birth, potentially causing brain injury or death. Thus, early prenatal diagnosis is essential. While MRI is the most effective imaging modality for evaluating fetal airways, normative MRI data remain scarce.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>\n                      This retrospective study analyzed fetal MRIs performed at a tertiary\u2010care center between January 2, 2018, and October 11, 2023. Measurements of the trachea and pharynx\u2014including diameters, lengths, and volumes\u2014were collected from axial, sagittal, and coronal slices. Statistical tests included ANOVA,\n                      <jats:italic>t<\/jats:italic>\n                      \u2010test, Wilcoxon, chi\u2010square, and Fisher's exact tests, with significance set at\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0\u2264\u00a00.05.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      MRI data from 278 fetuses\u2014either healthy or with non\u2010airway\u2010affecting anomalies\u2014were analyzed. Airway dimensions significantly increased with gestational age. Tracheal axial diameter ranged from 1.70 to 2.00\u00a0mm (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.001), coronal diameter from 2.20 to 3.10\u00a0mm (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.001), and sagittal length from 33.1 to 35.9\u00a0mm (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.003) between the fifth\u2013sixth and ninth gestational months. Head position influenced pharyngeal but not tracheal measurements.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This study provides the first MRI\u2010based normative data for fetal airways, offering valuable reference values for prenatal assessment. MRI proves effective in monitoring airway development and planning neonatal respiratory management.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/pd.70140","type":"journal-article","created":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T14:29:20Z","timestamp":1775140160000},"page":"1330-1338","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Prenatal Magnetic Resonance Imaging Assessment of Fetal Airway Dimensions: Establishing an Anthropometric Database"],"prefix":"10.1002","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-4260-9306","authenticated-orcid":false,"given":"Juliette","family":"Houssin","sequence":"first","affiliation":[{"name":"Pediatric Otorhinolaryngology\u2010Head &amp; Neck Surgery La Timone Children's Hospital APHM Aix\u2010Marseille Univ  Marseille France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmed","family":"El Ahmadi","sequence":"additional","affiliation":[{"name":"Imaging Department Hopital Nord APHM Aix Marseille Univ  Marseille France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robinson","family":"Gravier\u2010Dumonceau","sequence":"additional","affiliation":[{"name":"BioSTIC Department of Biostatistics and Information and Communication Technologies Assistance Publique\u2010Hopitaux de Marseille (AP\u2010HM) La Timone Hospital  Marseille France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard","family":"Nicollas","sequence":"additional","affiliation":[{"name":"Pediatric Otorhinolaryngology\u2010Head &amp; Neck Surgery La Timone Children's Hospital APHM Aix\u2010Marseille Univ  Marseille France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eric","family":"Moreddu","sequence":"additional","affiliation":[{"name":"Pediatric Otorhinolaryngology\u2010Head &amp; Neck Surgery La Timone Children's Hospital APHM Aix\u2010Marseille Univ 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