{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T09:46:09Z","timestamp":1761558369664,"version":"build-2065373602"},"reference-count":10,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","jmig.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of Minimally Invasive Gynecology"],"published-print":{"date-parts":[[2021,1]]},"DOI":"10.1016\/j.jmig.2020.06.015","type":"journal-article","created":{"date-parts":[[2020,6,26]],"date-time":"2020-06-26T14:12:10Z","timestamp":1593180730000},"page":"142-145","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":3,"title":["Tubal Ectopic Pregnancy with Undetectable Initial Serum \u03b2-Human Chorionic Gonadotropin Level"],"prefix":"10.1016","volume":"28","author":[{"given":"Nirali J.","family":"Shah","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nigel","family":"Pereira","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Phillip A.","family":"Romanski","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Crystal","family":"Wright","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Isaac","family":"Kligman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zev","family":"Rosenwaks","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.jmig.2020.06.015_bib0001","doi-asserted-by":"crossref","first-page":"1479","DOI":"10.1097\/00006250-200806000-00044","article-title":"ACOG Practice Bulletin No. 94: medical management of ectopic pregnancy","volume":"111","year":"2008","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.jmig.2020.06.015_bib0002","doi-asserted-by":"crossref","first-page":"1302","DOI":"10.1097\/AOG.0b013e3181fdfb11","article-title":"Pregnancy-related mortality in the United States, 1998 to 2005","volume":"116","author":"Berg","year":"2010","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.jmig.2020.06.015_bib0003","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1080\/09513590.2018.1490406","article-title":"Risk factors and human chorionic gonadotropin trends in patients with ruptured tubal ectopic pregnancies despite methotrexate treatment","volume":"35","author":"Hutchinson","year":"2019","journal-title":"Gynecol Endocrinol"},{"key":"10.1016\/j.jmig.2020.06.015_bib0004","doi-asserted-by":"crossref","first-page":"638","DOI":"10.1016\/j.fertnstert.2013.06.013","article-title":"Medical treatment of ectopic pregnancy: a committee opinion","volume":"100","year":"2013","journal-title":"Fertil Steril"},{"key":"10.1016\/j.jmig.2020.06.015_bib0005","doi-asserted-by":"crossref","first-page":"250","DOI":"10.1016\/j.fertnstert.2006.06.054","article-title":"Use of \u201c2-dose\u201d regimen of methotrexate to treat ectopic pregnancy","volume":"87","author":"Barnhart","year":"2007","journal-title":"Fertil Steril"},{"key":"10.1016\/j.jmig.2020.06.015_bib0006","doi-asserted-by":"crossref","first-page":"1886","DOI":"10.1111\/jog.13127","article-title":"Abdominal ectopic pregnancy with undetectable serum \u03b2-human chorionic gonadotropin 9 days following blastocyst transfer","volume":"42","author":"Irani","year":"2016","journal-title":"J Obstet Gynaecol Res"},{"key":"10.1016\/j.jmig.2020.06.015_bib0007","first-page":"45","article-title":"Haemoperitoneum due to tubal abortion in a patient with negative urine pregnancy test: case report and literature review","volume":"6","author":"Tse","year":"2006","journal-title":"Hong Kong J Gynaecol Obstet Midwifery"},{"key":"10.1016\/j.jmig.2020.06.015_bib0008","first-page":"559","article-title":"Ectopic pregnancy with shock and undetectable beta-human chorionic gonadotropin. A case report","volume":"32","author":"Lonky","year":"1987","journal-title":"J Reprod Med"},{"key":"10.1016\/j.jmig.2020.06.015_bib0009","first-page":"878","article-title":"Ectopic pregnancy with undetectable serum and urine beta-hCG levels and detection of beta-hCG in the ectopic trophoblast by immunocytochemical evaluation","volume":"81","author":"Maccato","year":"1993","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.jmig.2020.06.015_bib0010","doi-asserted-by":"crossref","first-page":"2441","DOI":"10.1093\/oxfordjournals.humrep.a136315","article-title":"Proliferative activity in ectopic trophoblastic tissue","volume":"10","author":"Klein","year":"1995","journal-title":"Hum Reprod"}],"container-title":["Journal of Minimally Invasive Gynecology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1553465020303162?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1553465020303162?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T09:38:15Z","timestamp":1761557895000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1553465020303162"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,1]]},"references-count":10,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2021,1]]}},"alternative-id":["S1553465020303162"],"URL":"https:\/\/doi.org\/10.1016\/j.jmig.2020.06.015","relation":{},"ISSN":["1553-4650"],"issn-type":[{"type":"print","value":"1553-4650"}],"subject":[],"published":{"date-parts":[[2021,1]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Tubal Ectopic Pregnancy with Undetectable Initial Serum \u03b2-Human Chorionic Gonadotropin Level","name":"articletitle","label":"Article Title"},{"value":"Journal of Minimally Invasive Gynecology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jmig.2020.06.015","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 AAGL. All rights reserved.","name":"copyright","label":"Copyright"}]}}