{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,26]],"date-time":"2025-09-26T22:11:45Z","timestamp":1758924705139,"version":"3.40.5"},"reference-count":25,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,10,21]],"date-time":"2023-10-21T00:00:00Z","timestamp":1697846400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Intl J Gynecology &amp; Obste"],"published-print":{"date-parts":[[2024,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>To study risk factors for shoulder dystocia (ShD) among women delivering &lt;3500\u2009g newborn.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective case\u2013control study of all term live\u2010singleton deliveries during 2011\u20132019. Women with neonatal birthweight &lt;3500\u2009g were included. We compared cases of ShD to other deliveries by univariate and multivariable regression.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There were 79\/41\u2009092 (0.19%) cases of ShD among neonates &lt;3500\u2009g. In multivariable regression analysis, the following factors were independently associated with ShD; operative vaginal delivery (odds ratio [OR] 2.78; 95% confidence interval [CI]: 1.28\u20136.02, <jats:italic>P<\/jats:italic>\u2009=\u20090.009), vaginal birth after cesarean (VBAC, OR 2.74; 1.22\u20136.13, <jats:italic>P<\/jats:italic>\u2009=\u20090.010), sonographic abdominal circumference to biparietal diameter ratio (3.73 among ShD vs. 3.62, OR 1.35; 95% CI: 1.12\u20131.63, <jats:italic>P<\/jats:italic>\u2009=\u20090.001) and sonographic abdominal circumference to head circumference ratio (1.036 among ShD vs. 1.011, OR 3.04; 95% CI: 1.006\u20139.23, <jats:italic>P<\/jats:italic>\u2009=\u20090.049).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>There is an association between operative vaginal delivery and ShD also in deliveries &lt;3500\u2009g. Importantly, the proportions between the fetal head and abdominal circumference are a better predictor of ShD than the newborn fetal weight and VBAC is associated with ShD.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ijgo.15204","type":"journal-article","created":{"date-parts":[[2023,10,21]],"date-time":"2023-10-21T09:19:46Z","timestamp":1697879986000},"page":"282-287","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Shoulder dystocia in deliveries of neonates &lt;3500\u2009grams"],"prefix":"10.1002","volume":"165","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1282-5379","authenticated-orcid":false,"given":"Gabriel","family":"Levin","sequence":"first","affiliation":[{"name":"The Department of Obstetrics and Gynecology Hadassah\u2010Hebrew University Medical Center  Jerusalem Israel"},{"name":"Faculty of Medicine Hebrew University  Jerusalem Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Raanan","family":"Meyer","sequence":"additional","affiliation":[{"name":"The Department of Obstetrics and Gynecology The Chaim Sheba Medical Center  Ramat\u2010Gan Israel"},{"name":"Faculty of Medicine Tel\u2010Aviv University  Tel\u2010Aviv Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tal","family":"Cahan","sequence":"additional","affiliation":[{"name":"The Department of Obstetrics and Gynecology The Chaim Sheba Medical Center  Ramat\u2010Gan Israel"},{"name":"Faculty of Medicine Tel\u2010Aviv University  Tel\u2010Aviv Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel","family":"Shai","sequence":"additional","affiliation":[{"name":"The Department of Obstetrics and Gynecology The Chaim Sheba Medical Center  Ramat\u2010Gan Israel"},{"name":"Faculty of Medicine Tel\u2010Aviv University  Tel\u2010Aviv Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Abraham","family":"Tsur","sequence":"additional","affiliation":[{"name":"The Department of Obstetrics and Gynecology The Chaim Sheba Medical Center  Ramat\u2010Gan Israel"},{"name":"Faculty of Medicine Tel\u2010Aviv University  Tel\u2010Aviv Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,10,21]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0000000000002043"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2023.01.016"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.2217\/whe.15.103"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.pediatrneurol.2023.04.002"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/0029-7844(95)00188-W"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9378(98)70382-5"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/0029-7844(95)00099-D"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9378(94)90413-8"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9378(98)70312-6"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0000000000003041"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajogmf.2021.100359"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00404-020-05941-4"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.21878"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1097\/00006250-198605000-00002"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9378(82)90349-0"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.20272"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.150.2.6691115"},{"key":"e_1_2_9_19_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0000000000000245"},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9378(91)90441-S"},{"key":"e_1_2_9_21_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00404-005-0051-9"},{"issue":"8","key":"e_1_2_9_22_1","first-page":"733","article-title":"Shoulder dystocia in diabetic and non\u2010diabetic pregnancies","volume":"35","author":"Malinowska\u2010Polubiec A","year":"2014","journal-title":"Neuro Endocrinol Lett"},{"key":"e_1_2_9_23_1","doi-asserted-by":"publisher","DOI":"10.1111\/aogs.12707"},{"key":"e_1_2_9_24_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1479-828X.2006.00676.x"},{"key":"e_1_2_9_25_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.12382"},{"issue":"3","key":"e_1_2_9_26_1","first-page":"240","article-title":"Sonographic measurements of subcutaneous fetal fat in pregnancies complicated by gestational diabetes and in normal pregnancies","volume":"41","author":"Rigano S","year":"2000","journal-title":"Croat Med J"}],"container-title":["International Journal of Gynecology &amp; 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