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Early, accurate recognition combined with multidisciplinary planning and carefully designed preoperative vascular interventions is essential to reduce severe morbidity. With precise surgical management, favorable maternal and neonatal outcomes remain possible even in high-risk presentations, despite the potential for major complications and complex operative demands.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/rare-presentation-of-a-viable-secondary-abdominal-ectopic-pregnancy-in-the-rudimentary-horn-of-a-bicornuate-uterus-a-case-report/437011/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/rare-presentation-of-a-viable-secondary-abdominal-ectopic-pregnancy-in-the-rudimentary-horn-of-a-bicornuate-uterus-a-case-report/437011.png","ImageObject",300,407,{"name":92,"@type":93},"Cart","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-29",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",12,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"Why is an advanced rudimentary-horn abdominal ectopic pregnancy difficult to diagnose?","Question",{"text":113,"@type":114},"It is rare and especially hard to identify in early stages when typical symptoms may be absent or delayed. Even after diagnosis, distinguishing it from other uterine horn or cornual conditions can remain uncertain.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"What multidisciplinary elements are emphasized for managing this complex case?",{"text":118,"@type":114},"Management relies on a coordinated team including neonatology, radiology, and vascular surgery, with careful antenatal surveillance and neonatal support. 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Accurate early recognition, multidisciplinary planning, and preoperative vascular interventions are critical. With precise surgical management, even in high-risk scenarios, favorable maternal and neonatal outcomes can be achieved despite significant complications. |  |\n| --- | --- |\n| 1 | Introduction | Uterine deformity, assisted reproduction, endometriosis, pelvic inflammatory disease, and expectant management of tubal |\n| Abdominal pregnancies are a rare occurrence and they have | ectopic or salpingostomy are well-known risk factors for such |\n| been sparsely recorded in literature [1–3] . Abdominal preg- | ectopic pregnancies as they produce tubal anatomic abnormal- |\n| nancy is defined as a pregnancy that has extrauterine implan- | ities and modify the physiological implantation process of the |\n| tations in the omentum, critical organs, or major arteries [4] . | embryo [2]. The location of placental implantation and the avail- |\n| Abdominal ectopic pregnancies implant within the peritoneal | ability of vascular supply are thought to be factors that deter- |\n| cavity, whereas retroperitoneal pregnancies implant behind the peritoneum, often adjacent to major vessels and retroperitoneal | mine the likelihood of embryonic survival. |\n| organs [5] . | Diagnosing uterine horn pregnancy is difficult, especially in the early stages, when usual symptoms may be absent or delayed |\n| Abdominal pregnancies sometimes occur in the noncommu- | until the second trimester. Once an abdominal pregnancy is |\n| nicating rudimentary horn of the uterus. They are difficult to | diagnosed, an open laparotomy is frequently required to gain |\n| diagnose and manage as their rupture leads to life-threatening | greater access to treat placental attachment and reduce bleed- |\n| intraperitoneal hemorrhage. The incidence of rupture of rudi- | ing. Uterine horn/cornual pregnancy resembles interstitial tubal |\n| mentary horn pregnancy is 1:40,000 [6] and typically occurs be- | pregnancy in several ways, and they can be confused during |\n| tween 14 and 20 weeks of gestation. The fetus is then extruded | surgery. The round ligament insertion, which is always lateral |\n| into the abdominal cavity, and the placenta attaches to the pelvic | to the uterine horn/cornual pregnancy, is a distinctive feature |\n| peritoneum and nearby organs, which makes it difficult for the | [3] . Abdominal pregnancy to term with a healthy live fetus is |\n| fetus to reach full-term [7] . | thus a very rare condition, with only a few occurrences reported |\n| This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.\u003Cbr>© 2026 The Author(s). Clinical Case Reports published by John Wiley & Sons Ltd. |  |\n\nClinical Case Reports, 2026; 14:e71788 1 of 5  \n[https://doi.org/10.1002/ccr3.71788](https://doi.org/10.1002/ccr3.71788)  \nin the past years [4] . Our report highlights this rare occurrence and sheds light on the need for a robust, multidisciplinary team to manage such complex cases.  \n1.1 | Informed Consent Statement  \nWritten Informed Consent was obtained from the patient before public","cbCaimjnH1w50FmK","https://ap.wps.com/l/cbCaimjnH1w50FmK","pdf",696725,"English","# Abstract\n# Introduction\n## Definitions and risk factors\n## Diagnostic challenges and management principles\n# Case History and Examination\n## Informed consent\n## Patient presentation and examinations\n# Differential Diagnosis, Investigations and Treatment","[{\"question\":\"Why is an advanced rudimentary-horn abdominal ectopic pregnancy difficult to diagnose?\",\"answer\":\"It is rare and especially hard to identify in early stages when typical symptoms may be absent or delayed. Even after diagnosis, distinguishing it from other uterine horn or cornual conditions can remain uncertain.\"},{\"question\":\"What multidisciplinary elements are emphasized for managing this complex case?\",\"answer\":\"Management relies on a coordinated team including neonatology, radiology, and vascular surgery, with careful antenatal surveillance and neonatal support. Preoperative vascular interventions and surgical planning are highlighted as critical.\"},{\"question\":\"What complications and risks should be discussed during counseling?\",\"answer\":\"Counseling addresses hemorrhage, hysterectomy, organ injury, prolonged ICU stay, prematurity, and neonatal morbidity, reflecting the high-risk nature of the condition despite continuation of pregnancy by the couple.\"}]","Rare Presentation of a Viable Secondary Abdominal Ectopic Pregnancy in the Rudimentary Horn of a Bicornuate Uterus - A Case Report | PDF",1790679837,13]