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        <datestamp>2026-09-28T17:27:41Z</datestamp>
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          <dc:title>&lt;p&gt;Demographic characteristics of the included patients, stratified by cohort.&lt;/p&gt;</dc:title>
          <dc:creator>Ioannis Kyvernitakis (9463145)</dc:creator>
          <dc:creator>Philien Lauer (15194892)</dc:creator>
          <dc:creator>Laura Bernardi (6933155)</dc:creator>
          <dc:creator>Sabrina Badir (15194898)</dc:creator>
          <dc:creator>Franz Bahlmann (3166392)</dc:creator>
          <dc:creator>Holger Maul (762559)</dc:creator>
          <dc:creator>Maciej Osinski (25132645)</dc:creator>
          <dc:subject>Biophysics</dc:subject>
          <dc:subject>Medicine</dc:subject>
          <dc:subject>Cell Biology</dc:subject>
          <dc:subject>Molecular Biology</dc:subject>
          <dc:subject>Physiology</dc:subject>
          <dc:subject>Biotechnology</dc:subject>
          <dc:subject>Cancer</dc:subject>
          <dc:subject>Infectious Diseases</dc:subject>
          <dc:subject>Computational  Biology</dc:subject>
          <dc:subject>two time points</dc:subject>
          <dc:subject>spontaneous preterm birth</dc:subject>
          <dc:subject>remain statistically significant</dc:subject>
          <dc:subject>pregnolia &amp;# 174</dc:subject>
          <dc:subject>median birth weight</dc:subject>
          <dc:subject>compare longitudinal changes</dc:subject>
          <dc:subject>89 pregnant participants</dc:subject>
          <dc:subject>3450 ), respectively</dc:subject>
          <dc:subject>3175 &amp;# 8211</dc:subject>
          <dc:subject>3011 &amp;# 8211</dc:subject>
          <dc:subject>4 weeks later</dc:subject>
          <dc:subject>prospective observational study</dc:subject>
          <dc:subject>25 mm according</dc:subject>
          <dc:subject>cervical pessary treatment</dc:subject>
          <dc:subject>cervical pessary placement</dc:subject>
          <dc:subject>cervical stiffness associated</dc:subject>
          <dc:subject>control group demonstrated</dc:subject>
          <dc:subject>including untreated women</dc:subject>
          <dc:subject>xlink "&gt; shortening</dc:subject>
          <dc:subject>cervical shortening treated</dc:subject>
          <dc:subject>25 mm</dc:subject>
          <dc:subject>cervical shortening</dc:subject>
          <dc:subject>cervical pessary</dc:subject>
          <dc:subject>cervical stiffness</dc:subject>
          <dc:subject>control group</dc:subject>
          <dc:subject>xlink "&gt;</dc:subject>
          <dc:subject>pessary group</dc:subject>
          <dc:subject>four weeks</dc:subject>
          <dc:subject>6 weeks</dc:subject>
          <dc:subject>cervical length</dc:subject>
          <dc:subject>pessary cohort</dc:subject>
          <dc:subject>either group</dc:subject>
          <dc:subject>uterocervical angle</dc:subject>
          <dc:subject>ptb ).</dc:subject>
          <dc:subject>primary aim</dc:subject>
          <dc:subject>premature delivery</dc:subject>
          <dc:subject>potential association</dc:subject>
          <dc:subject>obtained prior</dc:subject>
          <dc:subject>observation period</dc:subject>
          <dc:subject>normal cohort</dc:subject>
          <dc:subject>isuog guidelines</dc:subject>
          <dc:description>&lt;p&gt;Demographic characteristics of the included patients, stratified by cohort.&lt;/p&gt;</dc:description>
          <dc:date>2026-09-28T17:27:37Z</dc:date>
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          <dc:identifier>10.1371/journal.pone.0359271.t001</dc:identifier>
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