{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T17:24:32Z","timestamp":1783445072216,"version":"3.54.6"},"reference-count":30,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2022,9,26]],"date-time":"2022-09-26T00:00:00Z","timestamp":1664150400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004010","name":"Johs. M. Klein og Hustrus Mindelegat for Forskning ved Danske Centralsygehuse","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004010","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Intl J Gynecology &amp; Obste"],"published-print":{"date-parts":[[2023,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To examine the effect of including maternal age and body mass index (BMI; calculated as weight in kilograms divided by the square of height in meters) as additional risk factors in the traditional risk\u2010based strategy at term pregnancies consisting of previous early\u2010onset group B streptococcus (GBS) disease, GBS bacteriuria during pregnancy, maternal temperature of 38.0\u00b0C or more intrapartum, and rupture of membranes of 18\u2009h or longer.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A secondary analysis of a Danish cohort including 902 pregnant women. Exposures were maternal age and pre\u2010pregnancy BMI. Outcome was rectovaginal GBS colonization at the time of labor. The logistic regression analysis adjusted for parity, gestational age, vaginal delivery, and smoking.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The GBS prevalence was 17% in the entire population, 35% among participants older than 40\u2009years, and 23% among those with a BMI of 25 or greater. Including maternal \u201cage &gt;\u200940\u201d as an additional risk factor increased the sensitivity of the risk\u2010based strategy from 21% to 26% and decreased the specificity from 90% to 87%. Inclusion of \u201cBMI \u2265\u200925\u201d increased the sensitivity from 21% to 57% and decreased the specificity from 90% to 59%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Maternal age and BMI might be included as additional risk factors in risk\u2010based programs for identification of GBS\u2010positive laboring women to receive intrapartum antibiotics prophylaxis.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ijgo.14449","type":"journal-article","created":{"date-parts":[[2022,9,10]],"date-time":"2022-09-10T10:18:03Z","timestamp":1662805083000},"page":"303-307","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Maternal age and body mass index as risk factors for rectovaginal colonization with group B streptococci"],"prefix":"10.1002","volume":"161","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5102-9976","authenticated-orcid":false,"given":"Mohammed 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