{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T07:55:52Z","timestamp":1791618952517,"version":"4.3.4"},"reference-count":28,"publisher":"Elsevier BV","issue":"5","license":[{"start":{"date-parts":[[2019,5,1]],"date-time":"2019-05-01T00:00:00Z","timestamp":1556668800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2019,5,1]],"date-time":"2019-05-01T00:00:00Z","timestamp":1556668800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"funder":[{"DOI":"10.13039\/501100002918","name":"Gentofte Hospital","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002918","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["ajog.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["American Journal of Obstetrics and Gynecology"],"published-print":{"date-parts":[[2019,5]]},"DOI":"10.1016\/j.ajog.2019.02.014","type":"journal-article","created":{"date-parts":[[2019,2,11]],"date-time":"2019-02-11T11:05:15Z","timestamp":1549883115000},"page":"478.e1-478.e15","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":14,"title":["Risk factors for surgical intervention of early medical abortion"],"prefix":"10.1016","volume":"220","author":[{"given":"Amani","family":"Meaidi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarah","family":"Friedrich","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas Alexander","family":"Gerds","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7071-5496","authenticated-orcid":false,"given":"Oejvind","family":"Lidegaard","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajog.2019.02.014_bib1","series-title":"Safe abortion: technical and policy guidance for health systems","year":"2012"},{"key":"10.1016\/j.ajog.2019.02.014_bib2","series-title":"Abortion worldwide 2017: uneven progress and unequal access","author":"Singh","year":"2018"},{"key":"10.1016\/j.ajog.2019.02.014_bib3","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1016\/S0010-7824(99)00115-8","article-title":"The efficacy of medical abortion: a meta-analysis","volume":"61","author":"Kahn","year":"2000","journal-title":"Contraception"},{"key":"10.1016\/j.ajog.2019.02.014_bib4","first-page":"CD002855","article-title":"Medical methods for first trimester abortion","volume":"11","author":"Kulier","year":"2011","journal-title":"Cochrane Database Syst Rev"},{"key":"10.1016\/j.ajog.2019.02.014_bib5","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1016\/j.contraception.2015.08.010","article-title":"Predictors of uterine evacuation following early medical abortion with mifepristone and misoprostol","volume":"93","author":"Reeves","year":"2016","journal-title":"Contraception"},{"key":"10.1016\/j.ajog.2019.02.014_bib6","doi-asserted-by":"crossref","first-page":"669","DOI":"10.1097\/AOG.0b013e31819638e6","article-title":"Effect of previous live birth and prior route of delivery on the outcome of early medical abortion","volume":"113","author":"Chien","year":"2009","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2019.02.014_bib7","doi-asserted-by":"crossref","first-page":"462","DOI":"10.1080\/00016340701203632","article-title":"Risk factors for unsuccessful medical abortion with mifepristone and misoprostol","volume":"86","author":"Haimov-Kochman","year":"2007","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.ajog.2019.02.014_bib8","doi-asserted-by":"crossref","first-page":"12819","DOI":"10.1046\/j.1471-0528.2002.02156.x","article-title":"Factors affecting the outcome of early medical abortion: a review of 4132 consecutive cases","volume":"109","author":"Ashok","year":"2002","journal-title":"BJOG"},{"key":"10.1016\/j.ajog.2019.02.014_bib9","doi-asserted-by":"crossref","first-page":"247","DOI":"10.1016\/S0010-7824(01)00196-2","article-title":"First trimester abortion with mifepristone and vaginal misoprostol","volume":"63","author":"Knudsen","year":"2001","journal-title":"Contraception"},{"key":"10.1016\/j.ajog.2019.02.014_bib10","unstructured":"Danish National Clinical Guideline on Medical Abortion, 1. Trimester. Updated 2014. Available at: https:\/\/static1.squarespace.com\/static\/5467abcce4b056d72594db79\/t\/548e08cee4b06f8a5b8130d7\/1418594510349\/14-11-29+Ab+med+guide+14.pdf. Accessed Oct. 8, 2018."},{"key":"10.1016\/j.ajog.2019.02.014_bib11","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1177\/1403494811399957","article-title":"Danish registers on aspects of reproduction","volume":"39","author":"T\u00f8lb\u00f8ll Blenstrup","year":"2011","journal-title":"Scand J Public Health"},{"key":"10.1016\/j.ajog.2019.02.014_bib12","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1177\/1403494811401482","article-title":"The Danish National Patient Register","volume":"39","author":"Lynge","year":"2011","journal-title":"Scand J Public Health"},{"key":"10.1016\/j.ajog.2019.02.014_bib13","first-page":"320","article-title":"The Danish Medical Birth Registry","volume":"45","author":"Knudsen","year":"1998","journal-title":"Dan Med Bull"},{"key":"10.1016\/j.ajog.2019.02.014_bib14","series-title":"Regression modeling strategies, with applications to linear models, survival analysis and logistic regression","author":"Harrell","year":"2001"},{"key":"10.1016\/j.ajog.2019.02.014_bib15","unstructured":"R Core Team. R: A language and environment for statistical computing. RFoundation for statistical Computing. Vienna, Austria, 2017. Available at: https:\/\/www.R-project.org\/. Accessed January 10, 2019."},{"key":"10.1016\/j.ajog.2019.02.014_bib16","doi-asserted-by":"crossref","first-page":"381","DOI":"10.1111\/j.1471-0528.2008.02034.x","article-title":"Two mifepristone doses and two intervals of misoprostol administration for termination of early pregnancy: a randomised factorial controlled equivalence trial","volume":"116","author":"Von Hertzen","year":"2009","journal-title":"Br J Obstet Gynaecol"},{"key":"10.1016\/j.ajog.2019.02.014_bib17","doi-asserted-by":"crossref","first-page":"2315","DOI":"10.1093\/humrep\/deg475","article-title":"A\u00a0prospective, randomized, placebo-controlled trial on the use of mifepristone with sublingual or vaginal misoprostol for medical abortions of less than 9 weeks gestation","volume":"18","author":"Tang","year":"2003","journal-title":"Hum Reprod"},{"key":"10.1016\/j.ajog.2019.02.014_bib18","doi-asserted-by":"crossref","first-page":"621","DOI":"10.1111\/j.1471-0528.2006.00948.x","article-title":"Regimens of misoprostol with mifepristone for early medical abortion: a randomised trial","volume":"113","author":"Shannon","year":"2006","journal-title":"Br J Obstet Gynaecol"},{"key":"10.1016\/j.ajog.2019.02.014_bib19","doi-asserted-by":"crossref","first-page":"78","DOI":"10.1111\/j.1447-0756.2008.00864.x","article-title":"Mifepristone plus vaginal misoprostol vs vaginal misoprostol alone for medical abortion in gestation 63 days or less in Nepalese women: a quasi-randomized controlled trial","volume":"35","author":"Chawdhary","year":"2009","journal-title":"J\u00a0Obstet Gynaecol Res"},{"key":"10.1016\/j.ajog.2019.02.014_bib20","doi-asserted-by":"crossref","first-page":"328","DOI":"10.1016\/j.contraception.2005.05.017","article-title":"Randomized trial of mifepristone and buccal or vaginal misoprostol for abortion through 56 days of last menstrual period","volume":"72","author":"Middleton","year":"2005","journal-title":"Contraception"},{"key":"10.1016\/j.ajog.2019.02.014_bib21","doi-asserted-by":"crossref","first-page":"2962","DOI":"10.1093\/humrep\/13.10.2962","article-title":"An effective regimen for early medical abortion: a report of 2000 consecutive cases","volume":"13","author":"Ashok","year":"1998","journal-title":"Hum Reprod"},{"key":"10.1016\/j.ajog.2019.02.014_bib22","doi-asserted-by":"crossref","first-page":"297","DOI":"10.1016\/S0010-7824(00)00187-6","article-title":"Parity is a major determinant of success rate in medical abortion: a retrospective analysis of 3161 consecutive cases of early medical abortion treated with reduced doses of mifepristone and vaginal gemeprost","volume":"62","author":"Bartley","year":"2000","journal-title":"Contraception"},{"key":"10.1016\/j.ajog.2019.02.014_bib23","doi-asserted-by":"crossref","first-page":"463","DOI":"10.1016\/j.contraception.2015.07.011","article-title":"Medication abortion failure in women with and without previous cesarean delivery","volume":"92","author":"Dehlendorf","year":"2015","journal-title":"Contraception"},{"key":"10.1016\/j.ajog.2019.02.014_bib24","first-page":"101","article-title":"Curettage after mifepristone-induced abortion: Frequency, timing, and indications","volume":"98","author":"Allen","year":"2001","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2019.02.014_bib25","doi-asserted-by":"crossref","first-page":"357","DOI":"10.1016\/j.contraception.2010.08.006","article-title":"Pain during medical abortion: predicting factors from gynecologic history and medical staff evaluation of severity","volume":"83","author":"Suhonen","year":"2011","journal-title":"Contraception"},{"key":"10.1016\/j.ajog.2019.02.014_bib26","doi-asserted-by":"crossref","first-page":"1241","DOI":"10.1056\/NEJM199804303381801","article-title":"Early pregnancy termination with mifepristone in the United States","volume":"338","author":"Spitz","year":"1998","journal-title":"N\u00a0Engl J Med"},{"key":"10.1016\/j.ajog.2019.02.014_bib27","doi-asserted-by":"crossref","first-page":"431","DOI":"10.1016\/S0002-9378(97)70511-8","article-title":"Safety, efficacy, and acceptability of medical abortion in China, Cuba, and India: a comparative trial of mifepristone-misoprostol versus surgical abortion","volume":"176","author":"Winikoff","year":"1997","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2019.02.014_bib28","doi-asserted-by":"crossref","first-page":"506","DOI":"10.1002\/uog.14877","article-title":"Association between ultrasonographic parameters of Cesarean scar defect and outcome of early termination of pregnancy","volume":"47","author":"Au","year":"2016","journal-title":"Ultrasound Obstet Gynecol"}],"container-title":["American Journal of Obstetrics and Gynecology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937819303552?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937819303552?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,11,2]],"date-time":"2025-11-02T10:33:55Z","timestamp":1762079635000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0002937819303552"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,5]]},"references-count":28,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2019,5]]}},"alternative-id":["S0002937819303552"],"URL":"https:\/\/doi.org\/10.1016\/j.ajog.2019.02.014","relation":{},"ISSN":["0002-9378"],"issn-type":[{"value":"0002-9378","type":"print"}],"subject":[],"published":{"date-parts":[[2019,5]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Risk factors for surgical intervention of early medical abortion","name":"articletitle","label":"Article Title"},{"value":"American Journal of Obstetrics and Gynecology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ajog.2019.02.014","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2019 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}