{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T06:51:04Z","timestamp":1788936664524,"version":"build-2803163510"},"reference-count":34,"publisher":"Walter de Gruyter GmbH","issue":"9","license":[{"start":{"date-parts":[[2023,8,24]],"date-time":"2023-08-24T00:00:00Z","timestamp":1692835200000},"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":[[2023,11,27]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec id=\"j_jpm-2023-0198_abs_001\">\n                  <jats:title>Objectives<\/jats:title>\n                  <jats:p>Abnormal body mass index (BMI) during pregnancy, a growing public health concern, increases maternal and neonatal complications. This study aimed to investigate the impact of abnormal BMI on perinatal outcomes compared to normal BMI.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec id=\"j_jpm-2023-0198_abs_002\">\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>A total of 14,624 women having singleton births were\u00a0categorized as underweight (BMI&lt;18.5\u202fkg\/m<jats:sup>2<\/jats:sup>), overweight (25.0\u201329.9\u202fkg\/m<jats:sup>2<\/jats:sup>), obesity class I (30.0\u201334.9\u202fkg\/m<jats:sup>2<\/jats:sup>), obesity class\u00a0II\u00a0(35.0\u201339.9\u202fkg\/m<jats:sup>2<\/jats:sup>), and obesity class III (\u226540.0\u202fkg\/m<jats:sup>2<\/jats:sup>) and compared to those with normal BMI (18.5\u201324.9\u202fkg\/m<jats:sup>2<\/jats:sup>). Outcomes included gestational diabetes (GDM), gestational hypertension (GHT), postpartum haemorrhage (PPH), cesarean delivery (CD), preterm birth (PTB), low birth weight (LBW), congenital anomalies and neonatal intensive care unit admission.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec id=\"j_jpm-2023-0198_abs_003\">\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Women with increasing BMI had increasingly higher odds of developing specific adverse outcomes, the highest being in the class III obesity group (GDM-aOR 2.71, 95\u202f% CI 2.25\u20133.27, p&lt;0.001, GHT-aOR 5.32 95\u202f% CI 3.49\u20138.11, p&lt;0.001, CD-aOR 2.33 95\u202f% CI 1.85\u20132.94, p&lt;0.001, PPH-aOR 1.77 95\u202f% CI 1.35\u20132.33, p&lt;0.001). On the other hand, being underweight during pregnancy was associated with increased odds of PTB (aOR 2.09, 95\u202f% CI 1.37\u20133.20, p=0.001), LBW (OR 1.88, 95\u202f% CI 1.27\u20132.79, p=0.002) and congenital anomalies (aOR 2.52 95\u202f% CI 1.12\u20135.64, p=0.025). Majority in the underweight category gained less than expected gestational weight gain during the pregnancy.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec id=\"j_jpm-2023-0198_abs_004\">\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>The findings of this study have important implications for the clinical management of pregnant women with abnormal BMI. Interventions to improve maternal and neonatal outcomes must focus on enhancing pre-pregnancy BMI and maintaining adequate gestational weight gain.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1515\/jpm-2023-0198","type":"journal-article","created":{"date-parts":[[2023,8,24]],"date-time":"2023-08-24T08:11:06Z","timestamp":1692864666000},"page":"1197-1205","source":"Crossref","is-referenced-by-count":10,"title":["The impact of abnormal maternal body mass index during pregnancy on perinatal outcomes: a registry-based study from Qatar"],"prefix":"10.1515","volume":"51","author":[{"given":"Ghinwa","family":"Lawand","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology, Women\u2019s Wellness and Research Centre, Hamad Medical Corporation , Doha , Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6903-5445","authenticated-orcid":false,"given":"Fathima","family":"Minisha","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Women\u2019s Wellness and Research Centre, Hamad Medical Corporation , Doha , Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Salwa Abu","family":"Yaqoub","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Women\u2019s Wellness and Research Centre, Hamad Medical Corporation , Doha , Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5739-1135","authenticated-orcid":false,"given":"Nader","family":"Al Dewik","sequence":"additional","affiliation":[{"name":"Department of Research, Women\u2019s Wellness and Research Centre, Hamad Medical Corporation , Doha , Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hilal","family":"Al Rifai","sequence":"additional","affiliation":[{"name":"Department of Pediatrics and Neonatology, Women\u2019s Wellness and Research Centre, Hamad Medical Corporation , Doha , Qatar"},{"name":"Chief Executive Officer, Women\u2019s Wellness and Research Centre, Hamad Medical Corporation , Doha , Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Farrell","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Women\u2019s Wellness and Research Centre, Hamad Medical Corporation , Doha , Qatar"},{"name":"Department of Research, Women\u2019s Wellness and Research Centre, Hamad Medical Corporation , Doha , Qatar"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"374","published-online":{"date-parts":[[2023,8,24]]},"reference":[{"key":"2024072503060492747_j_jpm-2023-0198_ref_001","doi-asserted-by":"crossref","unstructured":"Sirimi, N, Goulis, DG. 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