{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T19:29:16Z","timestamp":1789932556801,"version":"4.0.1"},"reference-count":40,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2025,6,16]],"date-time":"2025-06-16T00:00:00Z","timestamp":1750032000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,6,16]],"date-time":"2025-06-16T00:00:00Z","timestamp":1750032000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Clinical Ultrasound"],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Previous studies have demonstrated that fetuses with an estimated fetal weight (EFW) less than the 10th percentile with concomitant abdominal circumference (AC) growth velocity\u2009&lt;\u200910th percentile are at increased risk for adverse perinatal outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and Methods<\/jats:title>\n                    <jats:p>\n                      This was a retrospective case series of 104 fetuses who had a prior study in which the EFW was &gt;\u200910th percentile and were identified with a subsequent EFW &lt;\u200910th percentile with concomitant AC growth velocity between two examinations of &lt;\u200910th percentile. The AC, head circumference (HC), and femur length (FL) growth velocity was computed as follows: [(AC, HC, FL\n                      <jats:sub>EFW &lt; 10th<\/jats:sub>\n                      \u2009\u2212\u2009AC, HC, FL\n                      <jats:sub>EFW Previous Examination<\/jats:sub>\n                      )\/(weeks gestation\n                      <jats:sub>EFW &lt; 10th<\/jats:sub>\n                      \u2009\u2212\u2009weeks gestation\n                      <jats:sub>EFW Previous Examination<\/jats:sub>\n                      )]. Growth velocity 10th and 90th percentile reference values for the AC, HC, and FL, were derived from equations published from Intergrowth\u201021st Project of longitudinal fetal growth protocol. Once abnormal growth was identified (EFW plus AC growth velocity\u2009&lt;\u200910th percentile), the patients were asked to begin a course of complete maternal rest for 2\u2009weeks, lying in the left lateral recumbent position. Following 2\u2009weeks of maternal rest, the EFW percentile and the growth velocity of the AC, HC, and FL were reassessed as follows: Period 1: pre\u2010diagnosis of an EFW &gt;\u200910th percentile versus EFW &lt;\u200910th percentile; Period II: diagnosis of an EFW &lt;\u200910th percentile versus 2\u2009weeks following maternal rest. The velocity values were plotted on graphs and\n                      <jats:italic>z<\/jats:italic>\n                      \u2010scores were computed. A\n                      <jats:italic>p<\/jats:italic>\n                      \u2010value of &lt;\u20090.05 was considered significant.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      For Period I, 100% (\n                      <jats:italic>N<\/jats:italic>\n                      \u2009=\u2009104) had an EFW and AC growth velocity\u2009&lt;\u200910th percentile, 29% (30\/104) a HC growth velocity\u2009&lt;\u200910th percentile. Fifty\u2010four percent (56\/104) a FL growth velocity\u2009&lt;\u200910th percentile. Period II, which evaluated growth after 2\u2009weeks of maternal rest, demonstrated the following significant findings (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05): (1) increased EFW &gt;\u200910th percentile (0% vs. 81%, 84\/104); (2) increased AC growth velocity\u2009&gt;\u200910th percentile (0% vs. 94%, 98\/104); (3) increased HC growth velocity\u2009&gt;\u200910th percentile (71%, 74\/104 vs. 81%, 84\/104), and FL growth velocity\u2009&gt;\u200910th percentile (46%, 48\/104 vs. 83%, 86\/104).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Following maternal rest in fetuses with an EFW\u2009&lt;\u200910th percentile and an AC growth velocity\u2009&lt;\u200910th percentile, there was a significant increase in the EFW percentile as well as the AC, HC, and FL growth velocities.<\/jats:p>\n           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