{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T11:04:29Z","timestamp":1773399869353,"version":"3.50.1"},"reference-count":14,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2017,10,25]],"date-time":"2017-10-25T00:00:00Z","timestamp":1508889600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Obstet and Gynaecol"],"published-print":{"date-parts":[[2018,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>We aimed to identify factors associated with massive post\u2010partum bleeding in pregnancies with placenta previa and to establish a scoring model to predict post\u2010partum severe bleeding.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective cohort study was performed in 506 healthy singleton pregnancies with placenta previa from 2006 to 2016. Cases with intraoperative blood loss (\u22652000 mL), packed red blood cells transfusion (\u22654), uterine artery embolization, or hysterectomy were defined as massive bleeding. After performing multivariable analysis, using the adjusted odds ratios (aOR), we formulated a scoring model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Seventy\u2010three women experienced massive post\u2010partum bleeding (14.4%). After multivariable analysis, seven variables were associated with massive bleeding: maternal old age (\u226535 years; aOR 1.79, 95% confidence interval [CI] 1.00\u20133.20, <jats:italic>P<\/jats:italic> = 0.049), antepartum bleeding (aOR 4.76, 95%CI 2.01\u201311.02, <jats:italic>P<\/jats:italic> &lt; 0.001), non\u2010cephalic presentation (aOR 3.41, 95%CI 1.40\u20138.30, <jats:italic>P<\/jats:italic> = 0.007), complete placenta previa (aOR 1.93, 95%CI 1.05\u20133.54, <jats:italic>P<\/jats:italic> = 0.034), anterior placenta (aOR 2.74, 95%CI 1.54\u20134.89, <jats:italic>P<\/jats:italic> = 0.001), multiple lacunae (\u22654; aOR 2.77, 95%CI 1.54\u20134.99, <jats:italic>P<\/jats:italic> = 0.001), and uteroplacental hypervascularity (aOR 4.51, 95%CI 2.30\u20138.83, <jats:italic>P<\/jats:italic> &lt; 0.001). We formulated a scoring model including maternal old age (&lt;35: 0, \u226535: 1), antepartum bleeding (no: 0, yes: 2), fetal non\u2010cephalic presentation (no: 0, yes: 2), placenta previa type (incomplete: 0, complete: 1), placenta location (posterior: 0, anterior: 1), uteroplacental hypervascularity (no: 0, yes: 2), and multiple lacunae (no: 0, yes: 1) to predict post\u2010partum massive bleeding. According to our scoring model, a score of 5\/10 had a sensitivity of 81% and a specificity of 77% for predicting massive post\u2010partum bleeding. The area under the receiver\u2013operator curve was 0.856 (<jats:italic>P<\/jats:italic> &lt; 0.001). The negative predictive value was 95.9%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our scoring model might provide useful information for prediction of massive post\u2010partum bleeding in pregnancies with placenta previa.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jog.13480","type":"journal-article","created":{"date-parts":[[2017,10,25]],"date-time":"2017-10-25T08:12:43Z","timestamp":1508919163000},"page":"54-60","source":"Crossref","is-referenced-by-count":36,"title":["Scoring model to predict massive post\u2010partum bleeding in pregnancies with placenta previa: A retrospective cohort study"],"prefix":"10.1111","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6610-0245","authenticated-orcid":false,"given":"Ji Yeon","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology, CHA Bundang Medical Center CHA University School of Medicine  Seongnam South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eun Hee","family":"Ahn","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, CHA Bundang Medical Center CHA University School of Medicine  Seongnam South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sukho","family":"Kang","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, CHA Bundang Medical Center CHA University School of Medicine  Seongnam South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Myung Jin","family":"Moon","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, CHA Bundang Medical Center CHA University School of Medicine  Seongnam South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sang Hee","family":"Jung","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, CHA Bundang Medical Center CHA University School of Medicine  Seongnam South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sung Woon","family":"Chang","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, CHA Bundang Medical Center CHA University School of Medicine  Seongnam South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hee Young","family":"Cho","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, CHA Bundang Medical Center CHA University School of Medicine  Seongnam South 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