{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T14:52:34Z","timestamp":1777906354940,"version":"3.51.4"},"reference-count":9,"publisher":"Georg Thieme Verlag KG","issue":"04","license":[{"start":{"date-parts":[[2023,10,25]],"date-time":"2023-10-25T00:00:00Z","timestamp":1698192000000},"content-version":"vor","delay-in-days":116,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["AJP Rep"],"published-print":{"date-parts":[[2023,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Postpartum hemorrhage (PPH) remains a leading cause of maternal morbidity. Pregnancy-associated acquired hemophilia A (AHA) caused by autoantibodies against factor VIII can present with recurrent episodes of postpartum bleeding.<\/jats:p><jats:p>\n          Case 1\u2003A 50-year-old G2P0112 presented with vaginal bleeding 22 days postcaesarean. She underwent dilation and curettage, hysterectomy, and interventional radiology (IR) embolization before AHA diagnosis. She was hospitalized for 32 days and received 23 units of blood product. She remains without relapse of AHA after 5 years.<\/jats:p><jats:p>\n          Case 2\u2003A 48-year-old G3P1021 presented with vaginal bleeding 8 days postcaesarean. She underwent three surgeries and IR embolization before AHA diagnosis. She was hospitalized for 18 days and received 39 units of blood product. Prednisone and cyclophosphamide were continued after discharge.<\/jats:p><jats:p>AHA is a rare cause of PPH. An isolated prolonged activated partial thromboplastin time (aPTT) should prompt further workup in postpartum patients with refractory bleeding. Rapid recognition of AHA can prevent significant morbidity related to hemorrhage, massive transfusion, and multiple surgeries.<\/jats:p>","DOI":"10.1055\/a-2198-7888","type":"journal-article","created":{"date-parts":[[2023,10,25]],"date-time":"2023-10-25T22:39:46Z","timestamp":1698273586000},"page":"e85-e88","source":"Crossref","is-referenced-by-count":3,"title":["Acquired Hemophilia A: A Rare, Acquired Coagulopathy in the Postpartum Setting"],"prefix":"10.1055","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2053-0610","authenticated-orcid":false,"given":"Austin","family":"Oberlin","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nicole M.","family":"Krenitsky","sequence":"additional","affiliation":[{"name":"Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christy","family":"Gandhi","sequence":"additional","affiliation":[{"name":"Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Imo Joseph","family":"Akpan","sequence":"additional","affiliation":[{"name":"Division of Hematology and Oncology, Department of Medicine, Columbia University Irving Medical Center, New York, New York"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew","family":"Eisenberger","sequence":"additional","affiliation":[{"name":"Division of Hematology and Oncology, Department of Medicine, Columbia University Irving Medical Center, New York, New 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