{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,24]],"date-time":"2026-08-24T23:11:46Z","timestamp":1787613106313,"version":"build-2736575974"},"reference-count":27,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[2011,1,1]],"date-time":"2011-01-01T00:00:00Z","timestamp":1293840000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2011,1,1]],"date-time":"2011-01-01T00:00:00Z","timestamp":1293840000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2011,1,1]],"date-time":"2011-01-01T00:00:00Z","timestamp":1293840000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2011,1,1]],"date-time":"2011-01-01T00:00:00Z","timestamp":1293840000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2011,1,1]],"date-time":"2011-01-01T00:00:00Z","timestamp":1293840000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2011,1,1]],"date-time":"2011-01-01T00:00:00Z","timestamp":1293840000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2011,1,1]],"date-time":"2011-01-01T00:00:00Z","timestamp":1293840000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"funder":[{"DOI":"10.13039\/100009633","name":"Eunice Kennedy Shriver National Institute of Child Health and Human Development","doi-asserted-by":"publisher","award":["U01 HD039939-05"],"award-info":[{"award-number":["U01 HD039939-05"]}],"id":[{"id":"10.13039\/100009633","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":[[2011,1]]},"DOI":"10.1016\/j.ajog.2010.08.029","type":"journal-article","created":{"date-parts":[[2010,11,9]],"date-time":"2010-11-09T08:01:19Z","timestamp":1289289679000},"page":"46.e1-46.e4","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":3,"title":["Does midtrimester Nugent score or high vaginal pH predict gestational age at delivery in women at risk for recurrent preterm birth?"],"prefix":"10.1016","volume":"204","author":[{"given":"Dana","family":"Figueroa","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Melissa S.","family":"Mancuso","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeff M.","family":"Szychowski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Merri Maddox","family":"Paden","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John","family":"Owen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajog.2010.08.029_bib1","series-title":"Preterm Birth: causes, consequences, and prevention","year":"2006"},{"key":"10.1016\/j.ajog.2010.08.029_bib2","doi-asserted-by":"crossref","first-page":"414","DOI":"10.1093\/oxfordjournals.epirev.a036128","article-title":"Epidemiology of preterm birth","volume":"15","author":"Berkowitz","year":"1993","journal-title":"Epidemiol Rev"},{"key":"10.1016\/j.ajog.2010.08.029_bib3","doi-asserted-by":"crossref","first-page":"1480","DOI":"10.1016\/S0002-9378(11)90785-6","article-title":"Does \u201cidiopathic\u201d preterm labor resulting in preterm birth exist?","volume":"168","author":"Lettieri","year":"1993","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2010.08.029_bib4","doi-asserted-by":"crossref","first-page":"617","DOI":"10.1016\/j.clp.2005.05.007","article-title":"Bacterial vaginosis in pregnancy: diagnosis, screening, and management","volume":"32","author":"Yudin","year":"2005","journal-title":"Clin Perinatol"},{"key":"10.1016\/j.ajog.2010.08.029_bib5","doi-asserted-by":"crossref","first-page":"470","DOI":"10.1016\/j.ajog.2004.07.017","article-title":"Is bacterial vaginosis a stronger risk factor for preterm birth when it is diagnosed earlier in gestation?","volume":"192","author":"Klebanoff","year":"2005","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2010.08.029_bib6","doi-asserted-by":"crossref","first-page":"1737","DOI":"10.1056\/NEJM199512283332604","article-title":"Association between bacterial vaginosis and preterm delivery of a low-birth-weight infant","volume":"333","author":"Hillier","year":"1995","journal-title":"N Engl J Med"},{"key":"10.1016\/j.ajog.2010.08.029_bib7","doi-asserted-by":"crossref","first-page":"724","DOI":"10.1093\/infdis\/170.3.724","article-title":"Changes in vaginal flora during pregnancy and associate with preterm birth","volume":"170","author":"McDonald","year":"1994","journal-title":"J Infect Dis"},{"issue":"Pt 1","key":"10.1016\/j.ajog.2010.08.029_bib8","doi-asserted-by":"crossref","first-page":"1465","DOI":"10.1016\/0002-9378(90)90607-9","article-title":"Antenatal microbiologic maternal risk factors associated with prematurity","volume":"163","author":"McGregor","year":"1990","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2010.08.029_bib9","doi-asserted-by":"crossref","first-page":"1231","DOI":"10.1016\/0002-9378(95)91360-2","article-title":"The preterm prediction study: significance of vaginal infections","volume":"173","author":"Meis","year":"1995","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2010.08.029_bib10","doi-asserted-by":"crossref","first-page":"14","DOI":"10.1016\/0002-9343(83)91112-9","article-title":"Nonspecific vaginitis: diagnostic criteria and microbial and epidemiologic associations","volume":"74","author":"Amsel","year":"1983","journal-title":"Am J Med"},{"key":"10.1016\/j.ajog.2010.08.029_bib11","first-page":"39","article-title":"The impact of regular vaginal pH screening on the diagnosis of bacterial vaginosis in pregnancy","volume":"49","author":"Gjerdingen","year":"2000","journal-title":"J Fam Pract"},{"key":"10.1016\/j.ajog.2010.08.029_bib12","doi-asserted-by":"crossref","first-page":"634","DOI":"10.1159\/000326251","article-title":"Prevalence of bacterial vaginosis in a community setting and role of the pap smear in its detection","volume":"49","author":"Sodhani","year":"2005","journal-title":"Acta Cytol"},{"issue":"Pt 1","key":"10.1016\/j.ajog.2010.08.029_bib13","doi-asserted-by":"crossref","first-page":"573","DOI":"10.1016\/0029-7844(96)00233-5","article-title":"Validity of the Vaginal Gram stain for the diagnosis of bacterial vaginosis","volume":"88","author":"Schwebke","year":"1996","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2010.08.029_bib14","doi-asserted-by":"crossref","first-page":"204","DOI":"10.1002\/(SICI)1098-0997(1998)6:5<204::AID-IDOG3>3.0.CO;2-R","article-title":"Gram stain method shows better sensitivity than clinical criteria for detection of bacterial vaginosis in surveillance of pregnant: low-income women in a clinical setting","volume":"6","author":"Tam","year":"1998","journal-title":"Infect Dis Obstet Gynecol"},{"key":"10.1016\/j.ajog.2010.08.029_bib15","doi-asserted-by":"crossref","first-page":"913","DOI":"10.1023\/A:1007673531595","article-title":"Prevalence of bacterial vaginosis and correlation of clinical to Gram stain diagnostic criteria in low risk pregnant women","volume":"15","author":"Gratacos","year":"1999","journal-title":"Eur J Epidemiol"},{"key":"10.1016\/j.ajog.2010.08.029_bib16","doi-asserted-by":"crossref","first-page":"375.e1","DOI":"10.1016\/j.ajog.2009.08.015","article-title":"Multicenter randomized trial of cerclage for preterm birth prevention in high-risk women with shortened midtrimester cervical length","volume":"201","author":"Owen","year":"2009","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2010.08.029_bib17","doi-asserted-by":"crossref","first-page":"297","DOI":"10.1128\/jcm.29.2.297-301.1991","article-title":"Reliability of diagnosing bacterial vaginosis is improved by a standardized method of Gram stain interpretation","volume":"29","author":"Nugent","year":"1991","journal-title":"J Clin Microbiol"},{"key":"10.1016\/j.ajog.2010.08.029_bib18","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1016\/S0140-6736(84)92698-9","article-title":"Prevalence of six sexually transmitted disease agents among pregnant inner-city adolescents and pregnancy outcome","volume":"2","author":"Hardy","year":"1984","journal-title":"Lancet"},{"key":"10.1016\/j.ajog.2010.08.029_bib19","doi-asserted-by":"crossref","first-page":"1618","DOI":"10.1016\/S0002-9378(96)70617-8","article-title":"Bacterial colonization of the vagina in four ethnic groups: Vaginal Infections and Prematurity Study Group","volume":"174","author":"Goldenberg","year":"1996","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2010.08.029_bib20","first-page":"173","article-title":"Bacterial vaginosis in early pregnancy and pregnancy outcome","volume":"80","author":"Kurki","year":"1992","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2010.08.029_bib21","doi-asserted-by":"crossref","first-page":"175","DOI":"10.1016\/0002-9378(93)90157-E","article-title":"Bacterial vaginosis and prematurity in Indonesia: association in early and late pregnancy","volume":"169","author":"Riduan","year":"1993","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2010.08.029_bib22","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1136\/bmj.308.6924.295","article-title":"Abnormal bacterial colonization of the genital tract and subsequent preterm delivery and late miscarriage","volume":"308","author":"Hay","year":"1994","journal-title":"Br Med J"},{"key":"10.1016\/j.ajog.2010.08.029_bib23","doi-asserted-by":"crossref","first-page":"593","DOI":"10.1016\/S0889-8545(21)00410-1","article-title":"Bacterial vaginosis: emphasis on upper genital tract complications","volume":"16","author":"Eschenbach","year":"1989","journal-title":"Obstet Gynecol Clin North Am"},{"key":"10.1016\/j.ajog.2010.08.029_bib24","doi-asserted-by":"crossref","first-page":"972","DOI":"10.1056\/NEJM198810133191503","article-title":"A case-control study of chorioamnionic infection and histology chorioamnionitis in prematurity","volume":"319","author":"Hillier","year":"1988","journal-title":"N Engl J Med"},{"key":"10.1016\/j.ajog.2010.08.029_bib25","doi-asserted-by":"crossref","first-page":"220","DOI":"10.7326\/0003-4819-148-3-200802050-00008","article-title":"Evidence on the benefits and harms of screening and treating pregnant women who are asymptomatic for bacterial vaginosis: an update review for the U.S. Preventive Services Task Force","volume":"148","author":"Nygren","year":"2008","journal-title":"Ann Intern Med"},{"key":"10.1016\/j.ajog.2010.08.029_bib26","doi-asserted-by":"crossref","first-page":"485","DOI":"10.1128\/CMR.4.4.485","article-title":"Bacterial vaginosis","volume":"4","author":"Spiegel","year":"1991","journal-title":"Clin Microbiol Rev"},{"key":"10.1016\/j.ajog.2010.08.029_bib27","doi-asserted-by":"crossref","DOI":"10.1002\/14651858.CD000262.pub3","article-title":"Antibiotics for treating bacterial vaginosis in pregnancy","volume":"1","author":"McDonald","year":"2007","journal-title":"Cochrane Database Syst Rev"}],"container-title":["American Journal of Obstetrics and Gynecology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S000293781001032X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S000293781001032X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,11]],"date-time":"2025-09-11T10:38:11Z","timestamp":1757587091000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S000293781001032X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011,1]]},"references-count":27,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2011,1]]}},"alternative-id":["S000293781001032X"],"URL":"https:\/\/doi.org\/10.1016\/j.ajog.2010.08.029","relation":{},"ISSN":["0002-9378"],"issn-type":[{"value":"0002-9378","type":"print"}],"subject":[],"published":{"date-parts":[[2011,1]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Does midtrimester Nugent score or high vaginal pH predict gestational age at delivery in women at risk for recurrent preterm birth?","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.2010.08.029","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2011 Mosby, Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}