{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T11:47:16Z","timestamp":1793533636600,"version":"4.5.0"},"reference-count":30,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2011,7,27]],"date-time":"2011-07-27T00:00:00Z","timestamp":1311724800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[2011,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:italic>Objective<\/jats:italic>. To assess whether premature rupture of membranes (PROM) is associated with placental abruption. <jats:italic>Design<\/jats:italic>. Population\u2010based study. <jats:italic>Setting<\/jats:italic>. Data were extracted from the Medical Birth Registry of Norway. <jats:italic>Population<\/jats:italic>. All women with PROM (18 889 cases), including 3 077 cases of preterm premature rupture of membranes (p\u2010PROM), among a total of 355 416 singleton births in Norway during 1999\u20132005 with gestational age 17\u201344weeks. <jats:italic>Methods<\/jats:italic>. Logistic regression was used to assess whether placental abruption was associated with PROM in preterm and term births. <jats:italic>Main Outcome Measures<\/jats:italic>. Placental abruption. <jats:italic>Results<\/jats:italic>. The occurrence of placental abruption in p\u2010PROM was higher than in the total study population, 11.0 per 1 000 (34 of 3 077) vs. 4.2 per 1 000 (1 495 of 355 416; adjusted odds ratio 2.6, 95% confidence interval 1.8\u20133.7). Restricting the analyses to preterm births, the occurrence of placental abruption was less in p\u2010PROM (11.0 per 1 000) than in births without p\u2010PROM (36.1 per 1 000; adjusted odds ratio 0.3, 95% confidence interval 0.2\u20130.4). In term births, no statistically significant association was observed. <jats:italic>Conclusions<\/jats:italic>. The findings suggest that in p\u2010PROM the risk of placental abruption is not higher than in other preterm births; rather the opposite. However, comparing the risks in p\u2010PROM and the total gestational age range, the present study confirmed results reported in previous studies of a higher risk of placental abruption in p\u2010PROM than in the total birth population.<\/jats:p>","DOI":"10.1111\/j.1600-0412.2011.01224.x","type":"journal-article","created":{"date-parts":[[2011,6,22]],"date-time":"2011-06-22T04:13:54Z","timestamp":1308716034000},"page":"1024-1029","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Placental abruption and premature rupture of membranes"],"prefix":"10.1111","volume":"90","author":[{"given":"VIBECKE H\u00d8GBERG","family":"MARKHUS","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"SVEIN","family":"RASMUSSEN","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"STEIN 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