{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T23:56:20Z","timestamp":1773014180151,"version":"3.50.1"},"reference-count":26,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2023,6,3]],"date-time":"2023-06-03T00:00:00Z","timestamp":1685750400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Ultrasound Medicine"],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>We aim to evaluate the effect of right lateral position on fetal hemodynamics (including umbilical artery [UA] and middle cerebral artery (MCA) blood flow\u2010velocity waveform).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>In total, 150 low\u2010risk singleton full\u2010term pregnant women were included in the study from November 2021 to January 2022. Doppler flow velocity waveforms of the fetal UA and MCA tested by ultrasound were collected in gestation of 37\u201340\u2009weeks. Computational analysis was performed using the one\u2010way ANOVA test.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Compared with the maternal left lateral position, there was a significant increase in Doppler indices of UA\u2010RI (<jats:italic>P<\/jats:italic>\u2009=\u2009.033), UA\u2010S\/D (<jats:italic>P<\/jats:italic>\u2009=\u2009.019) and MCA\u2010PSV (<jats:italic>P<\/jats:italic>\u2009=\u2009.021) and a significant decrease in MCA\u2010RI (<jats:italic>P<\/jats:italic>\u2009=\u2009.030) in the supine position group. There was no statistical significance in all Doppler indices between the left and right lateral position (<jats:italic>P<\/jats:italic>\u2009&gt;\u2009.05). Among the Doppler indices of three different maternal positions, there was no significance in both UA\u2010PI and MCA\u2010PI (<jats:italic>P<\/jats:italic>\u2009&gt;\u2009.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>There were no significant differences on changes of the fetal hemodynamics between left and right lateral positions. Pregnant women could adopt to lie in the left or right lateral position alternately to relieve the discomfort in late pregnancy.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jum.16261","type":"journal-article","created":{"date-parts":[[2023,6,3]],"date-time":"2023-06-03T09:04:07Z","timestamp":1685783047000},"page":"2341-2347","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Effects of Right Lateral Position on Changes of Fetal Hemodynamics in Late Pregnancy"],"prefix":"10.1002","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3372-7244","authenticated-orcid":false,"given":"Siqi","family":"Wu","sequence":"first","affiliation":[{"name":"Department of Obstetrics Longgang District Maternity &amp; Child Healthcare Hospital of Shenzhen City (Longgang Maternity and Child Clinical Institute of Shantou University Medical College)  Shenzhen Guangdong 518172 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guilian","family":"Liao","sequence":"additional","affiliation":[{"name":"Department of Obstetrics Longgang District Maternity &amp; Child Healthcare Hospital of Shenzhen City (Longgang Maternity and Child Clinical Institute of Shantou University Medical College)  Shenzhen Guangdong 518172 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jinying","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Obstetrics Longgang District Maternity &amp; Child Healthcare Hospital of Shenzhen City (Longgang Maternity and Child Clinical Institute of Shantou University Medical College)  Shenzhen Guangdong 518172 China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,6,3]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.eclinm.2019.03.014"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.smrv.2018.03.004"},{"key":"e_1_2_6_4_1","first-page":"61","article-title":"Umbilical blood flow velocity waveforms in different maternal positions and with epidural analgesia","volume":"68","author":"Marx GF","year":"1986","journal-title":"Obstet Gynecol"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1515\/jpm-2013-0182"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2044.2012.07164.x"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1515\/jpm-2016-0288"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1080\/14767058.2018.1478958"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/s0020-7292(96)02760-9"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.2006.01056.x"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1113\/jp280569"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1159\/000077349"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.d3403"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/ca.23614"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0412.1998.771003.x"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/s0140-6736(10)62232-5"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12978-021-01106-x"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/s0140-6736(15)00837-5"},{"key":"e_1_2_6_19_1","unstructured":"KidsC.\u2018Sleep on side; stillbirth prevention campaign\u2019 launched nationally2018.https:\/\/curekids.org.nz\/news\/sleep-on-side-stillbirth-prevention-campaign-launched-nationally\/. 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