{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,3]],"date-time":"2026-11-03T17:28:19Z","timestamp":1793726899365,"version":"4.6.1"},"reference-count":23,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[2009,7,1]],"date-time":"2009-07-01T00:00:00Z","timestamp":1246406400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2009,7,1]],"date-time":"2009-07-01T00:00:00Z","timestamp":1246406400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"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":[[2009,7]]},"DOI":"10.1016\/j.ajog.2009.02.004","type":"journal-article","created":{"date-parts":[[2009,4,7]],"date-time":"2009-04-07T04:45:18Z","timestamp":1239079518000},"page":"33.e1-33.e6","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":77,"title":["Loop electrosurgical excision of the cervix and subsequent risk for spontaneous preterm delivery: a population-based study of singleton deliveries during a 9-year period"],"prefix":"10.1016","volume":"201","author":[{"given":"Bugge","family":"Noehr","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Allan","family":"Jensen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirsten","family":"Frederiksen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ann","family":"Tabor","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susanne K.","family":"Kjaer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajog.2009.02.004_bib1","doi-asserted-by":"crossref","first-page":"937","DOI":"10.1136\/bmj.38751.524132.2F","article-title":"Spontaneous preterm delivery in primiparous women at low risk in Denmark: population based study","volume":"332","author":"Langhoff-Roos","year":"2006","journal-title":"BMJ"},{"key":"10.1016\/j.ajog.2009.02.004_bib2","doi-asserted-by":"crossref","first-page":"731","DOI":"10.1111\/j.1471-0528.2007.01323.x","article-title":"Spontaneous preterm birth of liveborn infants in women at low risk in Australia over 10 years: a population-based study","volume":"114","author":"Tracy","year":"2007","journal-title":"BJOG"},{"key":"10.1016\/j.ajog.2009.02.004_bib3","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1056\/NEJM199807303390506","article-title":"Prevention of premature birth","volume":"339","author":"Goldenberg","year":"1998","journal-title":"N Engl J Med"},{"key":"10.1016\/j.ajog.2009.02.004_bib4","doi-asserted-by":"crossref","first-page":"1489","DOI":"10.1016\/S0140-6736(02)11476-0","article-title":"Preterm delivery","volume":"360","author":"Slattery","year":"2002","journal-title":"Lancet"},{"key":"10.1016\/j.ajog.2009.02.004_bib5","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1111\/j.1471-0528.2006.01120.x","article-title":"The preterm parturition syndrome","volume":"113","author":"Romero","year":"2006","journal-title":"BJOG"},{"key":"10.1016\/j.ajog.2009.02.004_bib6","doi-asserted-by":"crossref","first-page":"75","DOI":"10.1016\/S0140-6736(08)60074-4","article-title":"Epidemiology and causes of preterm birth","volume":"371","author":"Goldenberg","year":"2008","journal-title":"Lancet"},{"key":"10.1016\/j.ajog.2009.02.004_bib7","doi-asserted-by":"crossref","first-page":"1054","DOI":"10.1111\/j.1471-0528.1989.tb03380.x","article-title":"Large loop excision of the transformation zone (LLETZ): a new method of management for women with cervical intraepithelial neoplasia","volume":"96","author":"Prendiville","year":"1989","journal-title":"BJOG"},{"key":"10.1016\/j.ajog.2009.02.004_bib8","doi-asserted-by":"crossref","first-page":"489","DOI":"10.1016\/S0140-6736(06)68181-6","article-title":"Obstetric outcomes after conservative treatment for intraepithelial or early invasive cervical lesions: systematic review and meta-analysis","volume":"367","author":"Kyrgiou","year":"2006","journal-title":"Lancet"},{"key":"10.1016\/j.ajog.2009.02.004_bib9","doi-asserted-by":"crossref","first-page":"325","DOI":"10.1097\/01.AOG.0000151991.09124.bb","article-title":"The effect of loop electrosurgical excision procedure on future pregnancy outcome","volume":"105","author":"Samson","year":"2005","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2009.02.004_bib10","doi-asserted-by":"crossref","first-page":"121","DOI":"10.2307\/2531248","article-title":"The analysis of discrete and continuous longitudinal data","volume":"42","author":"Liang","year":"1986","journal-title":"Biometrics"},{"key":"10.1016\/j.ajog.2009.02.004_bib11","doi-asserted-by":"crossref","first-page":"276","DOI":"10.1097\/01.ede.0000208475.99429.2d","article-title":"Estimation of direct causal effects","volume":"17","author":"Petersen","year":"2006","journal-title":"Epidemiology"},{"key":"10.1016\/j.ajog.2009.02.004_bib12","doi-asserted-by":"crossref","first-page":"836","DOI":"10.1034\/j.1600-0412.1998.770809.x","article-title":"Smoking habits among Danish pregnant women from 1989 to 1996 in relation to sociodemographic and lifestyle factors","volume":"77","author":"Wisborg","year":"1998","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.ajog.2009.02.004_bib13","doi-asserted-by":"crossref","first-page":"620","DOI":"10.1016\/0002-9378(93)90633-T","article-title":"Pregnancy outcome after large loop excision of the cervical transformation zone","volume":"169","author":"Blomfield","year":"1993","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2009.02.004_bib14","doi-asserted-by":"crossref","first-page":"1059","DOI":"10.1111\/j.1471-0528.1993.tb15153.x","article-title":"Pregnancy following large loop excision of the transformation zone","volume":"100","author":"Haffenden","year":"1993","journal-title":"BJOG"},{"key":"10.1016\/j.ajog.2009.02.004_bib15","doi-asserted-by":"crossref","first-page":"79","DOI":"10.3109\/01443619409030016","article-title":"A case controlled study of the outcome of pregnancy following loop diathermy excision of the transformation zone","volume":"14","author":"Braet","year":"1994","journal-title":"J Obstet Gynaecol"},{"key":"10.1016\/j.ajog.2009.02.004_bib16","doi-asserted-by":"crossref","first-page":"467","DOI":"10.1111\/j.1471-0528.1995.tb11319.x","article-title":"Fertility and pregnancy outcome following large loop excision of the cervical transformation zone","volume":"102","author":"Cruickshank","year":"1995","journal-title":"BJOG"},{"key":"10.1016\/j.ajog.2009.02.004_bib17","doi-asserted-by":"crossref","first-page":"10","DOI":"10.1006\/gyno.2002.6650","article-title":"Delivery outcomes following loop electrosurgical excision procedure for microinvasive (FIGO stage IA1) cervical cancer","volume":"86","author":"Paraskevaidis","year":"2002","journal-title":"Gynecol Oncol"},{"key":"10.1016\/j.ajog.2009.02.004_bib18","doi-asserted-by":"crossref","first-page":"2100","DOI":"10.1001\/jama.291.17.2100","article-title":"Treatment for cervical intraepithelial neoplasia and risk of preterm delivery","volume":"291","author":"Sadler","year":"2004","journal-title":"JAMA"},{"key":"10.1016\/j.ajog.2009.02.004_bib19","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1080\/01443610310001620242","article-title":"The outcome of pregnancy after large loop excision of the transformation zone of the cervix","volume":"24","author":"Tan","year":"2004","journal-title":"J Obstet Gynaecol"},{"key":"10.1016\/j.ajog.2009.02.004_bib20","doi-asserted-by":"crossref","first-page":"423","DOI":"10.1080\/11038120701208158","article-title":"Pregnancy outcome after cervical cone excision: a case-control study","volume":"86","author":"Sj\u00f8borg","year":"2007","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.ajog.2009.02.004_bib21","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1097\/01.AOG.0000253239.87040.23","article-title":"Preterm delivery after surgical treatment for cervical intraepithelial neoplasia","volume":"109","author":"Jakobsson","year":"2007","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2009.02.004_bib22","doi-asserted-by":"crossref","first-page":"596","DOI":"10.1080\/00016340701279145","article-title":"Loop electrosurgical excision of the cervix and the subsequent risk of preterm delivery","volume":"86","author":"N\u00f8hr","year":"2007","journal-title":"Acta Obst Gyn Scand"},{"key":"10.1016\/j.ajog.2009.02.004_bib23","doi-asserted-by":"crossref","first-page":"70","DOI":"10.1111\/j.1471-0528.2006.01107.x","article-title":"Precancerous changes in the cervix and risk of subsequent preterm birth","volume":"114","author":"Bruinsma","year":"2007","journal-title":"BJOG"}],"container-title":["American Journal of Obstetrics and Gynecology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937809001896?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937809001896?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,11]],"date-time":"2025-09-11T10:31:29Z","timestamp":1757586689000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0002937809001896"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,7]]},"references-count":23,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2009,7]]}},"alternative-id":["S0002937809001896"],"URL":"https:\/\/doi.org\/10.1016\/j.ajog.2009.02.004","relation":{},"ISSN":["0002-9378"],"issn-type":[{"value":"0002-9378","type":"print"}],"subject":[],"published":{"date-parts":[[2009,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Loop electrosurgical excision of the cervix and subsequent risk for spontaneous preterm delivery: a population-based study of singleton deliveries during a 9-year period","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.2009.02.004","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2009 Mosby, Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}