{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T07:09:30Z","timestamp":1784790570172,"version":"3.55.0"},"reference-count":29,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2026,3,29]],"date-time":"2026-03-29T00:00:00Z","timestamp":1774742400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,3,29]],"date-time":"2026-03-29T00:00:00Z","timestamp":1774742400000},"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":["Aust NZ J Obst Gynaeco"],"published-print":{"date-parts":[[2026,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Pregnancy after sleeve gastrectomy is increasingly common but outcomes data are limited.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aims<\/jats:title>\n                    <jats:p>To evaluate perinatal outcomes following sleeve gastrectomy compared to a matched non\u2010bariatric control group with similar pre\u2010pregnancy BMI.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>\n                      We undertook a retrospective cohort study (2016\u20132022) of pregnant women with prior sleeve gastrectomy (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009520) versus no bariatric surgery (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200958\u2009777). Following matching for maternal age, pre\u2010pregnancy body mass index, parity, smoking, Australian vs. overseas\u2010born and delivery year, there were 469 post\u2010sleeve gastrectomy and 915 matched control pregnancies. The main outcome measures were gestational diabetes, gestational hypertension\/preeclampsia, large\u2010for\u2010gestational\u2010age (LGA) and small\u2010for\u2010gestational\u2010age (SGA) infants, perinatal mortality, preterm birth, neonatal unit admission, major congenital anomalies and caesarean births. Outcomes' assessment utilised univariable and multivariable conditional logistic regression models, conditioned by matching strata. Surgery\u2010pregnancy interval impact was separately explored.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Compared with matched controls, post\u2010sleeve gastrectomy pregnancies had a lower risk of gestational diabetes at 5.4% vs. 16.6% (aRR 0.26 (95% CI: 0.14\u20130.45)), gestational hypertension\/preeclampsia 1.1% vs. 6.1% (aRR 0.24 (95% CI: 0.08\u20130.69)), LGA infants 6.0% vs. 14.1% (aRR 0.34 (95% CI: 0.20\u20130.58)), and neonatal unit admission 13.9% vs. 19.0% (aRR 0.67 (95% CI: 0.47\u20130.98)), but almost double the risk of SGA infants 14.5% vs. 8.3% (aRR 1.92 (95% CI: 1.22\u20133.04)). Surgery\u2010pregnancy interval &lt;\u200912\u2009months versus \u2265\u200912\u2009months was associated with greater likelihood of inadequate gestational weight gain but no outcomes' differences.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Pregnancy following sleeve gastrectomy carries increased SGA risk, possibly due to unrecognised hypoglycaemia and\/or nutrient deficiency. These pregnancies require additional patient education, nutrient monitoring and supplementation, and fetal surveillance.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/ajo.70117","type":"journal-article","created":{"date-parts":[[2026,3,30]],"date-time":"2026-03-30T05:01:24Z","timestamp":1774846884000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Perinatal Outcomes After Sleeve Gastrectomy Compared to a Matched Control Group"],"prefix":"10.1111","volume":"66","author":[{"given":"Amy","family":"Ngov","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynaecology Westmead Hospital, Western Sydney Local Health District  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James","family":"Elhindi","sequence":"additional","affiliation":[{"name":"Reproduction and Perinatal Centre University of Sydney  Sydney New South Wales Australia"},{"name":"Research and Education Network Western Sydney Local Health District  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Caron","family":"Blumenthal","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology Westmead Hospital, Western Sydney Local Health District  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1969-2636","authenticated-orcid":false,"given":"Therese","family":"McGee","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology Westmead Hospital, Western Sydney Local Health District  Sydney New South Wales Australia"},{"name":"Westmead Clinical School University of Sydney  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,3,29]]},"reference":[{"key":"e_1_2_10_2_1","unstructured":"\u201cInternational Federation for the Surgery of Obesity and Metabolic Disorders \u201dSeventh IFSO Global Registry Report 2022."},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2018.02.003"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pmed.1002866"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0000000000002481"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/obr.12927"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2021.06.087"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0000000000005088"},{"key":"e_1_2_10_9_1","article-title":"Prepregnancy Roux\u2010En\u2010Y Gastric Bypass vs Sleeve Gastrectomy: A Systematic Review, Pairwise, and Network Meta\u2010Analysis of Obstetrical and Neonatal Outcomes","volume":"5","author":"Mustafa H. 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