{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T03:09:45Z","timestamp":1787022585921,"version":"build-2736575974"},"reference-count":17,"publisher":"Walter de Gruyter GmbH","issue":"4","license":[{"start":{"date-parts":[[2025,3,18]],"date-time":"2025-03-18T00:00:00Z","timestamp":1742256000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,5,26]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec id=\"j_jpm-2024-0532_abs_001\">\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>The objective of this study was to determine whether body mass index (BMI) and gestational weight gain (GWG) are associated with severe maternal morbidity (SMM) in twin gestations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_jpm-2024-0532_abs_002\">\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This was a retrospective cohort of all twin pregnancies delivered at seven hospitals in New York from 2019 to 2023. Multivariable logistic regression modeled the probability of SMM as a function of BMI group, adjusting for excessive GWG, race-ethnicity, and obstetric comorbidity index. A total of 1,976 twin gestations were included.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_jpm-2024-0532_abs_003\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The SMM rate was 14.0\u202f% (n=276).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_jpm-2024-0532_abs_004\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Neither pre-pregnancy BMI nor GWG was associated with SMM, both before or after adjustment for covariates.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1515\/jpm-2024-0532","type":"journal-article","created":{"date-parts":[[2025,3,18]],"date-time":"2025-03-18T00:53:16Z","timestamp":1742259196000},"page":"540-544","source":"Crossref","is-referenced-by-count":1,"title":["Severe maternal morbidity in twin pregnancies: the impact of body mass index and gestational weight gain"],"prefix":"10.1515","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4066-8489","authenticated-orcid":false,"given":"Nathan A.","family":"Keller","sequence":"first","affiliation":[{"name":"Northwell , New Hyde Park , NY , USA"},{"name":"Department of Obstetrics and Gynecology , South Shore University Hospital , Bay Shore , NY , USA"},{"name":"Zucker School of Medicine , Hempstead , NY , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frank I.","family":"Jackson","sequence":"additional","affiliation":[{"name":"Northwell , New Hyde Park , NY , USA"},{"name":"Department of Obstetrics and Gynecology , South Shore University Hospital , Bay Shore , NY , USA"},{"name":"Zucker School of Medicine , Hempstead , NY , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9245-0081","authenticated-orcid":false,"given":"Insaf","family":"Kouba","sequence":"additional","affiliation":[{"name":"Northwell , New Hyde Park , NY , USA"},{"name":"Department of Obstetrics and Gynecology , South Shore University Hospital , Bay Shore , NY , USA"},{"name":"Zucker School of Medicine , Hempstead , NY , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luis A.","family":"Bracero","sequence":"additional","affiliation":[{"name":"Northwell , New Hyde Park , NY , USA"},{"name":"Department of Obstetrics and Gynecology , South Shore University Hospital , Bay Shore , NY , USA"},{"name":"Zucker School of Medicine , Hempstead , NY , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5534-6928","authenticated-orcid":false,"given":"Matthew J.","family":"Blitz","sequence":"additional","affiliation":[{"name":"Northwell , New Hyde Park , NY , USA"},{"name":"Department of Obstetrics and Gynecology , South Shore University Hospital , Bay Shore , NY , USA"},{"name":"Zucker School of Medicine , Hempstead , NY , USA"},{"name":"Institute of Health Systems Science, Feinstein Institutes for Medical Research , Northwell Health , Manhasset , NY , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"374","published-online":{"date-parts":[[2025,3,18]]},"reference":[{"key":"2025050303033123602_j_jpm-2024-0532_ref_001","doi-asserted-by":"crossref","unstructured":"D\u2019Souza, R, Horyn, I, Pavalagantharajah, S, Zaffar, N, Jacob, CE. 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