{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T18:21:29Z","timestamp":1790619689825,"version":"4.1.0"},"reference-count":34,"publisher":"Informa UK Limited","issue":"3","license":[{"start":{"date-parts":[[2022,1,21]],"date-time":"2022-01-21T00:00:00Z","timestamp":1642723200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1080\/policies-text-data-mining"}],"funder":[{"DOI":"10.13039\/100001424","name":"ALF (the joint agreement between KI and Region Stockholm","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100001424","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Swedish research council","award":["2017-00932"],"award-info":[{"award-number":["2017-00932"]}]}],"content-domain":{"domain":["www.tandfonline.com"],"crossmark-restriction":true},"short-container-title":["The European Journal of Contraception & Reproductive Health Care"],"published-print":{"date-parts":[[2022,5,4]]},"DOI":"10.1080\/13625187.2022.2025587","type":"journal-article","created":{"date-parts":[[2022,1,21]],"date-time":"2022-01-21T09:48:01Z","timestamp":1642758481000},"page":"240-246","update-policy":"https:\/\/doi.org\/10.1080\/tandf_crossmark_01","source":"Crossref","is-referenced-by-count":4,"title":["Detection of ectopic pregnancy and serum beta hCG levels in women undergoing very early medical abortion: a retrospective cohort study"],"prefix":"10.1080","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4394-6299","authenticated-orcid":false,"given":"Tagrid","family":"Jar-Allah","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg","place":["Gothenburg, Sweden"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2405-0662","authenticated-orcid":false,"given":"Helena","family":"Hognert","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg","place":["Gothenburg, Sweden"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6617-2900","authenticated-orcid":false,"given":"Laura","family":"K\u00f6cher","sequence":"additional","affiliation":[{"name":"Department of Women\u2019s and Children\u2019s Health, Division of Obstetrics and Gynecology, Karolinska Institutet, and Karolinska University Hospital","place":["Stockholm, Sweden"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7047-0540","authenticated-orcid":false,"given":"Linus","family":"Berggren","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg","place":["Gothenburg, Sweden"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6451-7349","authenticated-orcid":false,"given":"Christian","family":"Fiala","sequence":"additional","affiliation":[{"name":"Department of Women\u2019s and Children\u2019s Health, Division of Obstetrics and Gynecology, Karolinska Institutet, and Karolinska University Hospital","place":["Stockholm, Sweden"]},{"name":"GynMed Clinic","place":["Vienna, Austria"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0400-5509","authenticated-orcid":false,"given":"Ian","family":"Milsom","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg","place":["Gothenburg, Sweden"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6516-1444","authenticated-orcid":false,"given":"Kristina","family":"Gemzell-Danielsson","sequence":"additional","affiliation":[{"name":"Department of Women\u2019s and Children\u2019s Health, Division of Obstetrics and Gynecology, Karolinska Institutet, and Karolinska University Hospital","place":["Stockholm, Sweden"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"301","published-online":{"date-parts":[[2022,1,21]]},"reference":[{"key":"e_1_3_4_2_1","volume-title":"Safe abortion: technical and policy guidance for health systems","author":"WHO.","year":"2012","unstructured":"WHO. Safe abortion: technical and policy guidance for health systems. Geneva: WHO; 2012."},{"key":"e_1_3_4_3_1","unstructured":"Gynaecologists RCoOa. The care of women requesting induced abortion (Guideline No. 7). 2011."},{"key":"e_1_3_4_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.2004.00014.x"},{"key":"e_1_3_4_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2010.09.006"},{"key":"e_1_3_4_6_1","doi-asserted-by":"publisher","DOI":"10.1136\/jfprhc-2014-100924"},{"key":"e_1_3_4_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.placenta.2015.02.002"},{"issue":"4","key":"e_1_3_4_8_1","first-page":"583","article-title":"Diagnostic accuracy of ultrasound above and below the beta-hCG discriminatory zone","volume":"94","author":"Barnhart KT","year":"1999","unstructured":"Barnhart KT, Simhan H, Kamelle SA. Diagnostic accuracy of ultrasound above and below the beta-hCG discriminatory zone. Obstet Gynecol. 1999;94(4):583\u2013587.","journal-title":"Obstet Gynecol"},{"issue":"3","key":"e_1_3_4_9_1","first-page":"421","article-title":"Vaginal sonography findings and hCG dynamics of early intrauterine and tubal pregnancies","volume":"75","author":"Bateman BG","year":"1990","unstructured":"Bateman BG, Nunley WC, Jr., Kolp LA, et\u00a0al. Vaginal sonography findings and hCG dynamics of early intrauterine and tubal pregnancies. Obstet Gynecol. 1990;75(3\u2009Pt 1):421\u2013427.","journal-title":"Obstet Gynecol"},{"key":"e_1_3_4_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9378(88)90039-7"},{"key":"e_1_3_4_11_1","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.167.3.3283831"},{"key":"e_1_3_4_12_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0b013e318278f421"},{"key":"e_1_3_4_13_1","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/den221"},{"key":"e_1_3_4_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2012.09.018"},{"key":"e_1_3_4_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jogc.2016.06.001"},{"key":"e_1_3_4_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0301-2115(03)00012-5"},{"key":"e_1_3_4_17_1","doi-asserted-by":"publisher","DOI":"10.1111\/1471-0528.14904"},{"key":"e_1_3_4_18_1","doi-asserted-by":"publisher","DOI":"10.1097\/RUQ.0000000000000060"},{"key":"e_1_3_4_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(14)61054-0"},{"key":"e_1_3_4_20_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMcp0810384"},{"key":"e_1_3_4_21_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.2636"},{"key":"e_1_3_4_22_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.10075"},{"key":"e_1_3_4_23_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1469-0705.1999.14040231.x"},{"key":"e_1_3_4_24_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2011.10.037"},{"key":"e_1_3_4_25_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmjsrh-2020-200888"},{"key":"e_1_3_4_26_1","doi-asserted-by":"publisher","DOI":"10.1148\/radiology.205.2.9356647"},{"key":"e_1_3_4_27_1","doi-asserted-by":"publisher","DOI":"10.7863\/jum.2011.30.12.1637"},{"key":"e_1_3_4_28_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0000000000002560"},{"key":"e_1_3_4_29_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMra1302417"},{"key":"e_1_3_4_30_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0010-7824(02)00366-9"},{"key":"e_1_3_4_31_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.contraception.2012.10.013"},{"key":"e_1_3_4_32_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.contraception.2015.03.004"},{"key":"e_1_3_4_33_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.contraception.2016.09.007"},{"key":"e_1_3_4_34_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2015.11.050"},{"key":"e_1_3_4_35_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.AOG.0000142712.80407.fd"}],"container-title":["The European Journal of Contraception & Reproductive Health Care"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/13625187.2022.2025587","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.tandfonline.com\/doi\/full-xml\/10.1080\/13625187.2022.2025587","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/13625187.2022.2025587","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T13:31:49Z","timestamp":1784813509000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/13625187.2022.2025587"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,1,21]]},"references-count":34,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2022,5,4]]}},"alternative-id":["10.1080\/13625187.2022.2025587"],"URL":"https:\/\/doi.org\/10.1080\/13625187.2022.2025587","relation":{},"ISSN":["1362-5187","1473-0782"],"issn-type":[{"value":"1362-5187","type":"print"},{"value":"1473-0782","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,1,21]]},"assertion":[{"value":"The publishing and review policy for this title is described in its Aims & Scope.","order":1,"name":"peerreview_statement","label":"Peer Review Statement"},{"value":"http:\/\/www.tandfonline.com\/action\/journalInformation?show=aimsScope&journalCode=iejc20","URL":"http:\/\/www.tandfonline.com\/action\/journalInformation?show=aimsScope&journalCode=iejc20","order":2,"name":"aims_and_scope_url","label":"Aim & Scope"},{"value":"2021-10-25","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2021-12-30","order":1,"name":"revised","label":"Revised","group":{"name":"publication_history","label":"Publication History"}},{"value":"2021-12-31","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2022-01-21","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}