{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T07:21:48Z","timestamp":1767856908016,"version":"3.49.0"},"reference-count":24,"publisher":"Federa\u00e7\u00e3o das Associa\u00e7\u00f5es de Ginecologia e Obstetr\u00edcia","issue":"01","license":[{"start":{"date-parts":[[2021,1,29]],"date-time":"2021-01-29T00:00:00Z","timestamp":1611878400000},"content-version":"vor","delay-in-days":28,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev Bras Ginecol Obstet"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>\n          Objective\u2003We evaluated risk factors to determine if there were specific risk factors that could predict massive bleeding in nulliparous women with placenta previa.<\/jats:p><jats:p>\n          Methods\u2003The participants were classified into two groups. Women with a calculated blood loss \u2265 1,000\u2009mL were included in the massive bleeding group. Women without any signs or symptoms related with hypovolemia or with a calculated bleeding volume\u2009&lt;\u20091,000\u2009mL were categorized into the non-massive bleeding group.<\/jats:p><jats:p>\n          Results\u2003There were 28 patients (40.6%) with massive bleeding and 41 cases (59.4%) with non-massive bleeding. The calculated blood loss and number of cases that required red cell transfusions were statistically different between the groups (&lt; 0.005 and 0.002, respectively). There were no statistically significant differences in terms of maternal or fetal factors, placental location, or delivery characteristics between the two groups.<\/jats:p><jats:p>\n          Conclusion\u2003We could not determine the predictive features for massive hemorrhage based on clinical features, delivery features, or placental location.<\/jats:p>","DOI":"10.1055\/s-0040-1721355","type":"journal-article","created":{"date-parts":[[2021,1,29]],"date-time":"2021-01-29T23:44:30Z","timestamp":1611963870000},"page":"009-013","source":"Crossref","is-referenced-by-count":6,"title":["Is it Possible to Predict Massive Bleeding in Nulliparous Women with Placenta Previa?"],"prefix":"10.61622","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0578-4230","authenticated-orcid":false,"given":"Gokcen","family":"Orgul","sequence":"additional","affiliation":[{"name":"Department of Perinatology, University of Health Sciences, Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4523-6677","authenticated-orcid":false,"given":"Sule Goncu","family":"Ayhan","sequence":"additional","affiliation":[{"name":"Department of Perinatology, University of Health Sciences, Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5169-428X","authenticated-orcid":false,"given":"Gulhan Cetinkaya","family":"Saracoglu","sequence":"additional","affiliation":[{"name":"Department of Perinatology, University of Health Sciences, Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5888-692X","authenticated-orcid":false,"given":"Aykan","family":"Yucel","sequence":"additional","affiliation":[{"name":"Department of Perinatology, University of Health Sciences, Ankara, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"47794","published-online":{"date-parts":[[2021,1,29]]},"reference":[{"issue":"04","key":"ref1","doi-asserted-by":"publisher","first-page":"927","DOI":"10.1097\/01.AOG.0000207559.15715.98","article-title":"Placenta previa, placenta accreta, and vasa previa","volume":"107","author":"Y Oyelese","year":"2006","journal-title":"Obstet Gynecol"},{"key":"ref2","first-page":"179","volume-title":"Placenta previa","author":"F M Severi","year":"2017"},{"issue":"03","key":"ref3","doi-asserted-by":"publisher","first-page":"175","DOI":"10.1080\/jmf.13.3.175.190","article-title":"Etiology and risk factors for placenta previa: an overview and meta-analysis of observational studies","volume":"13","author":"A S Faiz","year":"2003","journal-title":"J Matern Fetal Neonatal Med"},{"issue":"02","key":"ref4","doi-asserted-by":"publisher","first-page":"96","DOI":"10.4236\/ijcm.2015.62014","article-title":"Predictors for massive haemorrhage during caesarean delivery due to placenta praevia","volume":"6","author":"M Burgers","year":"2015","journal-title":"Int J Clin Med"},{"issue":"04","key":"ref5","doi-asserted-by":"publisher","first-page":"264","DOI":"10.1038\/jp.2013.185","article-title":"Does previa location matter? 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