{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T01:38:15Z","timestamp":1773106695686,"version":"3.50.1"},"reference-count":24,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2013,9,5]],"date-time":"2013-09-05T00:00:00Z","timestamp":1378339200000},"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":[[2014,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>The aim of this study was to retrospectively investigate unusual ectopic pregnancies (<jats:styled-content style=\"fixed-case\">EP<\/jats:styled-content>) and compare them with fallopian ones.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and Methods<\/jats:title><jats:p>A total of 1000 cases of ectopic pregnancies were analyzed, including 65 unusual cases. We discussed distribution, incidence, risk factors, examinations, treatments and prognoses.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Ovarian pregnancy was associated with placement of intrauterine device and pelvic inflammatory diseases. Extratubal <jats:styled-content style=\"fixed-case\">EP<\/jats:styled-content> have a high rate of misdiagnosis and presented more serious manifestations. Some unusual <jats:styled-content style=\"fixed-case\">EP<\/jats:styled-content> could be diagnosed by ultrasonography. Ovarian pregnancy was usually manifested as positive culdocentesis. Most of the unusual <jats:styled-content style=\"fixed-case\">EP<\/jats:styled-content> underwent surgery, except some early cervical and corneal pregnancies.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Although extratubal pregnancies are difficult to diagnose, some histories and auxiliary examinations could make diagnosis easier for clinical physicians. Surgery is still the most effective approach for treatment of unusual <jats:styled-content style=\"fixed-case\">EP<\/jats:styled-content>, while conservative treatment of mifepristone combined with methotrexate or curettage could be used for early diagnosis and treatment of cervical pregnancy.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jog.12146","type":"journal-article","created":{"date-parts":[[2013,9,5]],"date-time":"2013-09-05T08:33:27Z","timestamp":1378370007000},"page":"147-154","source":"Crossref","is-referenced-by-count":31,"title":["Unusual ectopic pregnancies: A retrospective analysis of 65 cases"],"prefix":"10.1111","volume":"40","author":[{"given":"Nan","family":"Shan","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology First Hospital of Jilin University  Changchun China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dan","family":"Dong","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology First Hospital of Jilin University  Changchun China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Weiguo","family":"Deng","sequence":"additional","affiliation":[{"name":"Department of Nutrition and Food Hygiene School of Public Health, Jilin University  Changchun China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yan","family":"Fu","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology First Hospital of Jilin University  Changchun China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,9,5]]},"reference":[{"key":"e_1_2_7_2_1","volume-title":"Williams Obstetrics","author":"Cunningham FG","year":"2010"},{"key":"e_1_2_7_3_1","first-page":"33","article-title":"Clinical analysis of unusual ectopic pregnancies: A report of 27 cases","volume":"13","author":"Yao B","year":"1997","journal-title":"Chin J Pract Gynecol Obstet"},{"key":"e_1_2_7_4_1","first-page":"486","article-title":"A clinical case diagnosis and laparoscopic treatment of ovarian pregnancy","volume":"66","author":"Esparza Iturbide JA","year":"1998","journal-title":"Gynecol Obstet Mex"},{"key":"e_1_2_7_5_1","first-page":"57s","article-title":"Primary ovarian pregnancy and the intrauterine contraceptive device","volume":"48","author":"Rimdusit P","year":"1976","journal-title":"Obstet Gynecol"},{"key":"e_1_2_7_6_1","first-page":"9s","article-title":"Primary ovarian pregnancy and the intrauterine device","volume":"47","author":"Fernandez CM","year":"1976","journal-title":"Obstet Gynecol"},{"key":"e_1_2_7_7_1","doi-asserted-by":"crossref","first-page":"1005","DOI":"10.1016\/0002-9378(70)90443-6","article-title":"Ovarian pregnancy and the intrauterine device","volume":"108","author":"Lehefeldt H","year":"1970","journal-title":"Am J Obstet Gynecol"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.contraception.2006.12.017"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.7863\/jum.1992.11.7.365"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.191.3.8184062"},{"key":"e_1_2_7_11_1","first-page":"174","article-title":"Ovarian pregnancy: A series of 24 cases","volume":"61","author":"Grimes HG","year":"1983","journal-title":"Obstet Gynecol"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMicm990701"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1001\/archfami.9.1.72"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10397-004-0013-4"},{"key":"e_1_2_7_15_1","first-page":"226","article-title":"Mifepristone supporting conservative treatment of cervical pregnancy with methotrexate in clinical observation","volume":"22","author":"Jing L","year":"2006","journal-title":"Chin J Pract Gynecol Obstet"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.AOG.0000161321.94364.56"},{"key":"e_1_2_7_17_1","first-page":"28","article-title":"Clinical analysis of five cases of rudimentary horn pregnancy","volume":"19","author":"Cui M","year":"1997","journal-title":"BJ Med"},{"key":"e_1_2_7_18_1","first-page":"697","article-title":"Rudimentary horn pregnancy diagnosis and treatment (report of 19 cases)","volume":"24","author":"Niu Y","year":"1996","journal-title":"TJ Med"},{"key":"e_1_2_7_19_1","first-page":"5","article-title":"Rudimentary horn of the diagnosis and treatment (21 cases)","volume":"22","author":"Wei Z","year":"2000","journal-title":"BJ Med"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.974"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0029-7844(97)00426-2"},{"key":"e_1_2_7_22_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.56"},{"key":"e_1_2_7_23_1","first-page":"332","article-title":"Multiple\u2010dose methotrexate for pregnancy in a cesarean section scar. A case report","volume":"47","author":"Lam PM","year":"2002","journal-title":"J Reprod Med"},{"key":"e_1_2_7_24_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0412.2001.d01-15.x"},{"key":"e_1_2_7_25_1","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/14.5.1234"}],"container-title":["Journal of Obstetrics and Gynaecology Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fjog.12146","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fjog.12146","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/obgyn.onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/jog.12146","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,2]],"date-time":"2023-10-02T17:52:32Z","timestamp":1696269152000},"score":1,"resource":{"primary":{"URL":"https:\/\/obgyn.onlinelibrary.wiley.com\/doi\/10.1111\/jog.12146"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,9,5]]},"references-count":24,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2014,1]]}},"alternative-id":["10.1111\/jog.12146"],"URL":"https:\/\/doi.org\/10.1111\/jog.12146","archive":["Portico"],"relation":{},"ISSN":["1341-8076","1447-0756"],"issn-type":[{"value":"1341-8076","type":"print"},{"value":"1447-0756","type":"electronic"}],"subject":[],"published":{"date-parts":[[2013,9,5]]}}}