{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T01:59:22Z","timestamp":1783475962898,"version":"3.55.0"},"reference-count":33,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2024,2,17]],"date-time":"2024-02-17T00:00:00Z","timestamp":1708128000000},"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":["J of Obstet and Gynaecol"],"published-print":{"date-parts":[[2024,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To estimate the incidence of abruption in first births and recurrence in the subsequent birth in patients of a large US\u2010based integrated health care system.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Retrospective population\u2010based cohort study of patients with first two consecutive singleton births using data from the Kaiser\u2010Permanente South California health care system who delivered over a period of 30\u2009years (1991\u20132021), using longitudinally linked electronic health records. ICD\u20109\/ICD\u201010 codes \u201c641.20\u201d and \u201cO45.x\u201d identified placental abruption. We calculated the incidence and rates of abruption in first and second pregnancies. We used logistic regression to estimate the adjusted odds ratios (aOR) for abruption in second pregnancies in patients with and without abruptions in their first pregnancies.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of the 126\u2009264 patients with first two consecutive singleton births over the period, 805 had abruptions in their first births, and 861 in their second births. Rates of abruption in first and second births were 0.63% and 0.68%, respectively. Twenty\u2010seven patients had abruptions in both first and second births. Rates of abruption in the second birth among individuals with and without previous placental abruption were 3.35% and 0.66%, respectively, giving an approximately five\u2010fold increased odds of abruption in a second pregnancy in individuals who had abruption in their first birth when compared with those who did not have placental abruption in their first birth (aOR: 4.95, 95% confidence interval: 3.35\u20137.31, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.00001). Interpregnancy interval had no statistically significant association with recurrence.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Abruption in a first birth is associated with an approximately five\u2010fold increased odds of abruption in a second birth.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jog.15906","type":"journal-article","created":{"date-parts":[[2024,2,17]],"date-time":"2024-02-17T08:38:20Z","timestamp":1708159100000},"page":"821-827","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Placental abruption: Incidence and risk of recurrence in subsequent pregnancies"],"prefix":"10.1111","volume":"50","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1509-0152","authenticated-orcid":false,"given":"Yinka","family":"Oyelese","sequence":"first","affiliation":[{"name":"Division of Maternal\u2010Fetal Medicine, Department of Obstetrics and Gynecology Beth Israel Deaconess Medical School  Boston Massachusetts USA"},{"name":"Harvard Medical School  Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Morgan","family":"Peltier","sequence":"additional","affiliation":[{"name":"Department of Psychiatry and Behavioral Health Jersey Shore University Medical Center  Neptune New Jersey USA"},{"name":"Department of Psychiatry and Behavioral Health Hackensack Meridian School of Medicine  Nutley New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bridget","family":"Donovan","sequence":"additional","affiliation":[{"name":"Division of Maternal\u2010Fetal Medicine, Department of Obstetrics and Gynecology Beth Israel Deaconess Medical School  Boston Massachusetts USA"},{"name":"Harvard Medical School  Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nehaa","family":"Khadka","sequence":"additional","affiliation":[{"name":"Department of Research &amp; Evaluation Kaiser Permanente Southern California  Pasadena California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vicki Y.","family":"Chiu","sequence":"additional","affiliation":[{"name":"Department of Research &amp; Evaluation Kaiser Permanente Southern California  Pasadena California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael J.","family":"Fassett","sequence":"additional","affiliation":[{"name":"Department of Obstetrics &amp; Gynecology Kaiser Permanente West Los Angeles Medical Center  Los Angeles California USA"},{"name":"Department of Clinical Science Kaiser Permanente Bernard J. Tyson School of Medicine  Pasadena California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Darios","family":"Getahun","sequence":"additional","affiliation":[{"name":"Department of Research &amp; Evaluation Kaiser Permanente Southern California  Pasadena California USA"},{"name":"Department of Health Systems Science Kaiser Permanente Bernard J. 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