{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T15:32:33Z","timestamp":1775662353191,"version":"3.50.1"},"reference-count":29,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2017,7,1]],"date-time":"2017-07-01T00:00:00Z","timestamp":1498867200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2017,7,1]],"date-time":"2017-07-01T00:00:00Z","timestamp":1498867200000},"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","ejog.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["European Journal of Obstetrics & Gynecology and Reproductive Biology"],"published-print":{"date-parts":[[2017,7]]},"DOI":"10.1016\/j.ejogrb.2017.04.035","type":"journal-article","created":{"date-parts":[[2017,4,22]],"date-time":"2017-04-22T00:30:59Z","timestamp":1492821059000},"page":"1-5","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":25,"special_numbering":"C","title":["The placental factor in spontaneous preterm birth in twin vs. singleton pregnancies"],"prefix":"10.1016","volume":"214","author":[{"given":"Eran","family":"Weiner","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ann","family":"Dekalo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ohad","family":"Feldstein","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elad","family":"Barber","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Letizia","family":"Schreiber","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jacob","family":"Bar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michal","family":"Kovo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"issue":"8","key":"10.1016\/j.ejogrb.2017.04.035_bib0005","doi-asserted-by":"crossref","first-page":"e3056","DOI":"10.1371\/journal.pone.0003056","article-title":"Microbial prevalence, diversity and abundance in amniotic fluid during preterm labor: a molecular and culture-based investigation","volume":"3","author":"DiGiulio","year":"2008","journal-title":"PLoS One"},{"issue":"3","key":"10.1016\/j.ejogrb.2017.04.035_bib0010","doi-asserted-by":"crossref","first-page":"258","DOI":"10.1055\/s-0035-1570379","article-title":"Role of the placenta in preterm birth: a review","volume":"33","author":"Morgan","year":"2016","journal-title":"Am J Perinatol"},{"issue":"2","key":"10.1016\/j.ejogrb.2017.04.035_bib0015","doi-asserted-by":"crossref","first-page":"585","DOI":"10.1016\/0002-9378(93)90499-9","article-title":"Maternal placental vasculopathy and infection: two distinct subgroups among patients with preterm labor and preterm ruptured membranes","volume":"168","author":"Arias","year":"1993","journal-title":"Am J Obstet Gynecol"},{"issue":"Suppl. 3","key":"10.1016\/j.ejogrb.2017.04.035_bib0020","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: Int J Obstet Gynaecol"},{"issue":"2","key":"10.1016\/j.ejogrb.2017.04.035_bib0025","doi-asserted-by":"crossref","first-page":"361","DOI":"10.1016\/S0015-0282(16)58100-X","article-title":"Assisted reproductive technologies: estimates of their contribution to multiple births and newborn hospital days in the United States","volume":"65","author":"Wilcox","year":"1996","journal-title":"Fertil Steril"},{"issue":"9832","key":"10.1016\/j.ejogrb.2017.04.035_bib0030","doi-asserted-by":"crossref","first-page":"2151","DOI":"10.1016\/S0140-6736(12)60560-1","article-title":"Global, regional, and national causes of child mortality: an updated systematic analysis for 2010 with time trends since 2000","volume":"379","author":"Liu","year":"2012","journal-title":"Lancet"},{"issue":"1","key":"10.1016\/j.ejogrb.2017.04.035_bib0035","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajog.2016.01.004","article-title":"Preterm neonatal morbidity and mortality by gestational age: a contemporary cohort","volume":"215","author":"Manuck","year":"2016","journal-title":"Am J Obstet Gynecol"},{"issue":"9814","key":"10.1016\/j.ejogrb.2017.04.035_bib0040","doi-asserted-by":"crossref","first-page":"445","DOI":"10.1016\/S0140-6736(11)61577-8","article-title":"Long-term neurodevelopmental outcomes after intrauterine and neonatal insults: a systematic review","volume":"379","author":"Mwaniki","year":"2012","journal-title":"Lancet"},{"issue":"2","key":"10.1016\/j.ejogrb.2017.04.035_bib0045","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1016\/S0301-2115(02)00040-4","article-title":"Does preterm cervical dilatation imply imminent labor in multifetal pregnancies?","volume":"103","author":"Simchen","year":"2002","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"issue":"3","key":"10.1016\/j.ejogrb.2017.04.035_bib0050","first-page":"333","article-title":"Histologic chorioamnionitis, antenatal steroids, and perinatal outcomes","volume":"96","author":"Elimian","year":"2000","journal-title":"Obstet Gynecol"},{"issue":"5","key":"10.1016\/j.ejogrb.2017.04.035_bib0055","doi-asserted-by":"crossref","first-page":"1515","DOI":"10.1016\/0002-9378(92)91628-N","article-title":"A review of premature birth and subclinical infection","volume":"166","author":"Gibbs","year":"1992","journal-title":"Am J Obstet Gynecol"},{"issue":"8","key":"10.1016\/j.ejogrb.2017.04.035_bib0060","doi-asserted-by":"crossref","first-page":"555","DOI":"10.1080\/14767050802131929","article-title":"Outcomes of preterm premature rupture of membranes in twin pregnancies","volume":"21","author":"Trentacoste","year":"2008","journal-title":"J. Maternal-Fetal Neonatal Med"},{"issue":"5","key":"10.1016\/j.ejogrb.2017.04.035_bib0065","first-page":"311","article-title":"Birth weight standards in the live-born population in Israel","volume":"7","author":"Dollberg","year":"2005","journal-title":"Isr Med Assoc J: IMAJ"},{"issue":"1","key":"10.1016\/j.ejogrb.2017.04.035_bib0070","doi-asserted-by":"crossref","first-page":"192","DOI":"10.1097\/AOG.0b013e31820a61f9","article-title":"American college of O, gynecologists committee on practice B-O. ACOG practice bulletin no. 118: antiphospholipid syndrome","volume":"117","year":"2011","journal-title":"Obstet Gynecol"},{"issue":"3","key":"10.1016\/j.ejogrb.2017.04.035_bib0075","doi-asserted-by":"crossref","first-page":"706","DOI":"10.1097\/01.AOG.0000433981.36184.4e","article-title":"American college of O, gynecologists women\u2019s health care P. ACOG practice bulletin no. 138: inherited thrombophilias in pregnancy","volume":"122","year":"2013","journal-title":"Obstet Gynecol"},{"issue":"1","key":"10.1016\/j.ejogrb.2017.04.035_bib0080","first-page":"95","article-title":"Committee on obstetric P. ACOG committee opinion. Antenatal corticosteroid therapy for fetal maturation. American college of obstetricians and gynecologists","volume":"78","year":"2002","journal-title":"Int J Gynaecol Obstet"},{"issue":"5","key":"10.1016\/j.ejogrb.2017.04.035_bib0085","doi-asserted-by":"crossref","first-page":"460","DOI":"10.1111\/j.1471-0528.1991.tb10340.x","article-title":"The crown-rump length in early human pregnancy: a reappraisal","volume":"98","author":"Schats","year":"1991","journal-title":"Br. J Obstet Gynaecol"},{"issue":"Suppl. A","key":"10.1016\/j.ejogrb.2017.04.035_bib0090","doi-asserted-by":"crossref","first-page":"S114","DOI":"10.1016\/j.placenta.2005.02.009","article-title":"Placental diagnostic criteria and clinical correlation\u2013a workshop report","volume":"26","author":"Redline","year":"2005","journal-title":"Placenta"},{"issue":"July (7)","key":"10.1016\/j.ejogrb.2017.04.035_bib0095","doi-asserted-by":"crossref","first-page":"698","DOI":"10.5858\/arpa.2015-0225-CC","article-title":"Sampling and definitions of placental lesions: Amsterdam placental workshop group consensus statement","volume":"140","author":"Khong","year":"2016","journal-title":"Arch Pathol Lab Med"},{"key":"10.1016\/j.ejogrb.2017.04.035_bib0100","doi-asserted-by":"crossref","first-page":"99","DOI":"10.1016\/j.placenta.2016.09.012","article-title":"The placental component and obstetric outcome in severe preeclampsia with and without HELLP syndrome","volume":"47","author":"Weiner","year":"2016","journal-title":"Placenta"},{"issue":"6198","key":"10.1016\/j.ejogrb.2017.04.035_bib0105","doi-asserted-by":"crossref","first-page":"760","DOI":"10.1126\/science.1251816","article-title":"Preterm labor: one syndrome, many causes","volume":"345","author":"Romero","year":"2014","journal-title":"Science"},{"issue":"5","key":"10.1016\/j.ejogrb.2017.04.035_bib0110","doi-asserted-by":"crossref","first-page":"1382","DOI":"10.1016\/0002-9378(92)91609-E","article-title":"The relationship between acute inflammatory lesions of the preterm placenta and amniotic fluid microbiology","volume":"166","author":"Romero","year":"1992","journal-title":"Am J Obstet Gynecol"},{"issue":"4 Pt 1","key":"10.1016\/j.ejogrb.2017.04.035_bib0115","doi-asserted-by":"crossref","first-page":"934","DOI":"10.1016\/0002-9378(91)90443-U","article-title":"Placental pathologic findings in preterm birth","volume":"165","author":"Salafia","year":"1991","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ejogrb.2017.04.035_bib0120","first-page":"1","article-title":"The natural history of preterm premature rupture of membranes in twin pregnancies","author":"Kibel","year":"2016","journal-title":"J Maternal-Fetal Neonatal Med"},{"issue":"1","key":"10.1016\/j.ejogrb.2017.04.035_bib0125","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1172\/JCI116564","article-title":"Contractile elements and myosin light chain phosphorylation in myometrial tissue from nonpregnant and pregnant women","volume":"92","author":"Word","year":"1993","journal-title":"J Clin Invest"},{"issue":"12","key":"10.1016\/j.ejogrb.2017.04.035_bib0130","doi-asserted-by":"crossref","first-page":"5398","DOI":"10.1210\/endo.138.12.5624","article-title":"Expression of connexin-43 and connexin-26 in the rat myometrium during pregnancy and labor is differentially regulated by mechanical and hormonal signals","volume":"138","author":"Ou","year":"1997","journal-title":"Endocrinology"},{"issue":"6","key":"10.1016\/j.ejogrb.2017.04.035_bib0135","doi-asserted-by":"crossref","first-page":"3517","DOI":"10.1210\/jc.2004-1390","article-title":"The mitogen-activated protein kinase dependent expression of prostaglandin H synthase-2 and interleukin-8 messenger ribonucleic acid by myometrial cells: the differential effect of stretch and interleukin-1{beta}","volume":"90","author":"Sooranna","year":"2005","journal-title":"J Clin Endocrinol Metab"},{"issue":"7","key":"10.1016\/j.ejogrb.2017.04.035_bib0140","doi-asserted-by":"crossref","first-page":"619","DOI":"10.1177\/1933719110373148","article-title":"Preterm birth, infection, and inflammation advances from the study of animal models","volume":"17","author":"Kemp","year":"2010","journal-title":"Reprod Sci"},{"issue":"1","key":"10.1016\/j.ejogrb.2017.04.035_bib0145","doi-asserted-by":"crossref","first-page":"2","DOI":"10.1053\/j.semperi.2014.10.002","article-title":"The clinical implications of placental diagnoses","volume":"39","author":"Redline","year":"2015","journal-title":"Semin Perinatol"}],"container-title":["European Journal of Obstetrics & Gynecology and Reproductive Biology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0301211517302087?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0301211517302087?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,4]],"date-time":"2025-10-04T05:38:11Z","timestamp":1759556291000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0301211517302087"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,7]]},"references-count":29,"alternative-id":["S0301211517302087"],"URL":"https:\/\/doi.org\/10.1016\/j.ejogrb.2017.04.035","relation":{},"ISSN":["0301-2115"],"issn-type":[{"value":"0301-2115","type":"print"}],"subject":[],"published":{"date-parts":[[2017,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The placental factor in spontaneous preterm birth in twin vs. singleton pregnancies","name":"articletitle","label":"Article Title"},{"value":"European Journal of Obstetrics & Gynecology and Reproductive Biology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ejogrb.2017.04.035","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2017 Elsevier B.V. All rights reserved.","name":"copyright","label":"Copyright"}]}}