{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T10:58:44Z","timestamp":1789901924989,"version":"4.0.1"},"reference-count":33,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2019,2,1]],"date-time":"2019-02-01T00:00:00Z","timestamp":1548979200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2019,2,1]],"date-time":"2019-02-01T00:00:00Z","timestamp":1548979200000},"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":[[2019,2]]},"DOI":"10.1016\/j.ejogrb.2018.11.020","type":"journal-article","created":{"date-parts":[[2018,11,30]],"date-time":"2018-11-30T06:19:28Z","timestamp":1543558768000},"page":"6-11","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":19,"special_numbering":"C","title":["The implications of high carbon monoxide levels in early pregnancy for neonatal outcomes"],"prefix":"10.1016","volume":"233","author":[{"given":"Ciara M.E.","family":"Reynolds","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brendan","family":"Egan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rachel A.","family":"Kennedy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8100-4761","authenticated-orcid":false,"given":"Eimer","family":"O\u2019Malley","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sharon R.","family":"Sheehan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael J.","family":"Turner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ejogrb.2018.11.020_bib0005","doi-asserted-by":"crossref","first-page":"243","DOI":"10.1016\/0277-9536(95)00369-X","article-title":"Smoking prevalence among women in the European community 1950\u20131990","volume":"43","author":"Graham","year":"1996","journal-title":"Soc Sci Med"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0010","first-page":"282","article-title":"Changes in smoking rates among pregnant women and the general female population in Australia, Finland, Norway, and Sweden","volume":"19","author":"Reitan","year":"2017","journal-title":"Nicotine Tob Res"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0015","doi-asserted-by":"crossref","first-page":"971","DOI":"10.1007\/s11845-017-1575-2","article-title":"Five year trends in maternal smoking behaviour reported at the first prenatal appointment","volume":"186","author":"Reynolds","year":"2017","journal-title":"Ir J Med Sci"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0020","series-title":"Research for International Tobacco Control. WHO report on the global tobacco epidemic, 2008: the MPOWER package","author":"World Health Organization","year":"2008"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0025","series-title":"The health and care of pregnant women and babies in Europe in 2010. EURO-PERISTAT Project with SCPE and EUROCAT","author":"European Perinatal Health Report","year":"2013"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0030","series-title":"Tobacco use and pregnancy","author":"The Centers for Disease Control and Prevention (CDC)","year":"2018"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0035","doi-asserted-by":"crossref","first-page":"322","DOI":"10.1097\/00124784-200307000-00011","article-title":"The discrepancy between self-reported smoking status and urine cotinine levels among women enrolled in prenatal care at four publicly funded clinical sites","volume":"9","author":"Webb","year":"2003","journal-title":"J Public Health Manag Pract"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0040","doi-asserted-by":"crossref","first-page":"240","DOI":"10.1034\/j.1600-0412.2002.810309.x","article-title":"Smoking during pregnancy: comparison of self-reports and cotinine levels in 496 women","volume":"81","author":"Lindqvist","year":"2002","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0045","doi-asserted-by":"crossref","first-page":"1005","DOI":"10.1080\/14622200701491255","article-title":"Misclassification of maternal smoking status and its effects on an epidemiologic study of pregnancy outcomes","volume":"9","author":"England","year":"2007","journal-title":"Nicotine Tob Res"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0050","doi-asserted-by":"crossref","first-page":"1086","DOI":"10.2105\/AJPH.84.7.1086","article-title":"The validity of self-reported smoking: a review and meta-analysis","volume":"84","author":"Patrick","year":"1994","journal-title":"Am J Public Health"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0055","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1007\/978-3-540-69248-5_2","article-title":"Nicotine chemistry, metabolism, kinetics and biomarkers","volume":"192","author":"Benowitz","year":"2009","journal-title":"Handb Exp Pharmacol"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0060","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1136\/pmj.78.918.233","article-title":"Breath analysis to detect recent exposure to carbon monoxide","volume":"78","author":"Cunnington","year":"2002","journal-title":"Postgrad Med J"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0065","doi-asserted-by":"crossref","first-page":"59","DOI":"10.1017\/jsc.2013.37","article-title":"The accuracy of a lower-cost breath carbon monoxide meter in distinguishing smokers from non-smokers","volume":"10","author":"Erb","year":"2015","journal-title":"J Smok Cessat"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0070","doi-asserted-by":"crossref","first-page":"648","DOI":"10.1016\/S0029-7844(97)00103-8","article-title":"Smoking in pregnancy, exhaled carbon monoxide, and birth weight","volume":"89","author":"Secker-Walker","year":"1997","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0075","doi-asserted-by":"crossref","first-page":"10","DOI":"10.1016\/j.ypmed.2004.04.049","article-title":"Expired air carbon monoxide concentration in mothers and their spouses above 5 ppm is associated with decreased fetal growth","volume":"40","author":"Gomez","year":"2005","journal-title":"Prev Med"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0080","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1111\/j.1360-0443.2004.00957.x","article-title":"Cut-off levels for breath carbon monoxide as a marker for cigarette smoking","volume":"100","author":"Javors","year":"2005","journal-title":"Addiction"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0085","doi-asserted-by":"crossref","DOI":"10.1136\/bmjopen-2018-022089","article-title":"A prospective, observational study investigating the use of carbon monoxide screening to identify maternal smoking in a large university hospital in Ireland","volume":"8","author":"Reynolds","year":"2018","journal-title":"BMJ Open"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0090","series-title":"Intrapartum care for healthy women and babies","author":"The National Institute for Health and Care Excellence (NICE)","year":"2014"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0095","series-title":"The problem of low birth weight. The future of children","first-page":"19","author":"Paneth","year":"1995"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0100","doi-asserted-by":"crossref","first-page":"S692","DOI":"10.1016\/j.ajog.2017.12.013","article-title":"Customized vs INTERGROWTH-21 standards for the assessment of birth weight and stillbirth risk at term","volume":"218","author":"Francis","year":"2018","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0105","doi-asserted-by":"crossref","first-page":"S609","DOI":"10.1016\/j.ajog.2017.12.011","article-title":"Customized growth charts: rationale, validation and clinical benefits","volume":"218","author":"Gardosi","year":"2018","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0110","series-title":"VassarStats: website for statistical computation","author":"Lowry","year":"2009"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0115","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1111\/j.1749-6632.1970.tb49798.x","article-title":"Carbon monoxide in the pregnant mother and fetus and its exchange across the placenta","volume":"174","author":"Longo","year":"1970","journal-title":"Ann N Y Acad Sci"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0120","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0153447","article-title":"Women\u2019s longitudinal patterns of smoking during the pre-conception, pregnancy and postnatal period: evidence from the UK Infant Feeding Survey","volume":"11","author":"Fitzpatrick","year":"2016","journal-title":"PLoS One"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0125","doi-asserted-by":"crossref","DOI":"10.1136\/bmjopen-2017-018746","article-title":"Smoking and quit attempts during pregnancy and postpartum: a longitudinal UK cohort","volume":"7","author":"Cooper","year":"2017","journal-title":"BMJ Open"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0130","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1016\/j.earlhumdev.2004.10.015","article-title":"Prematurity and fetal growth restriction","volume":"81","author":"Gardosi","year":"2005","journal-title":"Early Hum Dev"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0135","doi-asserted-by":"crossref","first-page":"288","DOI":"10.1016\/j.ajog.2010.08.055","article-title":"Intrauterine growth restriction: new concepts in antenatal surveillance, diagnosis, and management","volume":"204","author":"Figueras","year":"2011","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0140","series-title":"Classification of urgency of caesarean section\u2013a continuum of risk (Good Practice No. 11)","year":"2010"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0145","doi-asserted-by":"crossref","first-page":"104","DOI":"10.1016\/j.ajog.2011.09.008","article-title":"Achievement of the 30-minute standard in obstetrics\u2013can it be done?","volume":"206","author":"Nageotte","year":"2012","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0150","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1186\/s12884-017-1636-6","article-title":"Intrapartum fetal deaths and unexpected neonatal deaths in the Republic of Ireland: 2011\u20132014; a descriptive study","volume":"18","author":"McNamara","year":"2018","journal-title":"BMC Pregnancy Childbirth"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0155","doi-asserted-by":"crossref","first-page":"258","DOI":"10.1002\/uog.1806","article-title":"Does antenatal identification of small\u2010for\u2010gestational age fetuses significantly improve their outcome?","volume":"25","author":"Lindqvist","year":"2005","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0160","author":"The National Institute for Health and Care Excellence (NICE)"},{"key":"10.1016\/j.ejogrb.2018.11.020_bib0165","first-page":"580","article-title":"A National Audit of Smoking Cessation Services in Irish Maternity Units","volume":"110","author":"Reynolds","year":"2017","journal-title":"Ir Med J"}],"container-title":["European Journal of Obstetrics & Gynecology and Reproductive Biology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0301211518311060?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0301211518311060?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,4]],"date-time":"2025-10-04T05:42:25Z","timestamp":1759556545000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0301211518311060"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,2]]},"references-count":33,"alternative-id":["S0301211518311060"],"URL":"https:\/\/doi.org\/10.1016\/j.ejogrb.2018.11.020","relation":{},"ISSN":["0301-2115"],"issn-type":[{"value":"0301-2115","type":"print"}],"subject":[],"published":{"date-parts":[[2019,2]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The implications of high carbon monoxide levels in early pregnancy for neonatal outcomes","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.2018.11.020","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2018 Elsevier B.V. All rights reserved.","name":"copyright","label":"Copyright"}]}}