{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T20:35:02Z","timestamp":1785789302110,"version":"3.56.0"},"reference-count":33,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"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":[[2022,4]]},"DOI":"10.1016\/j.ejogrb.2022.01.023","type":"journal-article","created":{"date-parts":[[2022,2,1]],"date-time":"2022-02-01T17:52:21Z","timestamp":1643737941000},"page":"1-6","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":13,"special_numbering":"C","title":["The association between uterine contraction frequency and fetal scalp pH in women with suspicious or pathological fetal heart rate tracings: A retrospective study"],"prefix":"10.1016","volume":"271","author":[{"given":"M.W.E.","family":"Frenken","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D.A.A.","family":"van der Woude","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.P.","family":"Dieleman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.G.","family":"Oei","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.O.E.H.","family":"van Laar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"2","key":"10.1016\/j.ejogrb.2022.01.023_b0005","first-page":"98","article-title":"The shape of uterine contractions and labor progress in the spontaneous active labor","volume":"40","author":"Zagami","year":"2015","journal-title":"Iran J Med Sci"},{"issue":"1","key":"10.1016\/j.ejogrb.2022.01.023_b0010","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.curobgyn.2004.09.001","article-title":"Poor progress of labour","volume":"15","author":"El-Hamamy","year":"2005","journal-title":"Curr Obstet Gynaecol"},{"issue":"1","key":"10.1016\/j.ejogrb.2022.01.023_b0015","doi-asserted-by":"crossref","first-page":"44","DOI":"10.1111\/j.1471-0528.1994.tb13008.x","article-title":"Relation between frequency of uterine contractions and human fetal cerebral oxygen saturation studied during labour by near infrared spectroscopy","volume":"101","author":"Peebles","year":"1994","journal-title":"BJOG Int J Obstet Gynaecol"},{"issue":"1","key":"10.1016\/j.ejogrb.2022.01.023_b0020","doi-asserted-by":"crossref","first-page":"34","DOI":"10.1016\/j.ajog.2007.12.015","article-title":"Effects of oxytocin-induced uterine hyperstimulation during labor on fetal oxygen status and fetal heart rate patterns","volume":"199","author":"Simpson","year":"2008","journal-title":"Am J Obstet Gynecol"},{"issue":"4","key":"10.1016\/j.ejogrb.2022.01.023_b0025","doi-asserted-by":"crossref","first-page":"952","DOI":"10.1016\/0002-9378(88)90100-7","article-title":"Qualitative assessment of maternal uterine and fetal umbilical artery blood flow and resistance in laboring patients by Doppler velocimetry","volume":"158","author":"Brar","year":"1988","journal-title":"Am J Obs Gynecol"},{"issue":"8","key":"10.1016\/j.ejogrb.2022.01.023_b0030","doi-asserted-by":"crossref","first-page":"644","DOI":"10.1111\/j.1471-0528.1995.tb11403.x","article-title":"The effect of uterine contractions on fetal oxygen saturation","volume":"102","author":"McNamara","year":"1995","journal-title":"BJOG Int J Obstet Gynaecol"},{"issue":"6","key":"10.1016\/j.ejogrb.2022.01.023_b0035","doi-asserted-by":"crossref","first-page":"361","DOI":"10.1016\/j.earlhumdev.2012.12.001","article-title":"Insight into variable fetal heart rate decelerations from a mathematical model","volume":"89","author":"der Hout-van","year":"2013","journal-title":"Early Hum Dev"},{"issue":"9","key":"10.1016\/j.ejogrb.2022.01.023_b0040","doi-asserted-by":"crossref","first-page":"805","DOI":"10.1111\/j.1471-0528.1994.tb11951.x","article-title":"The effect of oxytocin-induced hyperstimulation on fetal oxygen","volume":"101","author":"Johnson","year":"1994","journal-title":"Br J Obstet Gynaecol"},{"key":"10.1016\/j.ejogrb.2022.01.023_b0045","doi-asserted-by":"crossref","unstructured":"ACOG Practice Bulletin No. 106 American College of Obstetricians and Gynecologists. Intrapartum fetal heart rate monitoring: nomenclature, interpretation, and general management principles. Obstet Gynecol. 2009;114(1):192\u2013202.","DOI":"10.1097\/AOG.0b013e3181aef106"},{"issue":"1","key":"10.1016\/j.ejogrb.2022.01.023_b0050","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1016\/j.ijgo.2015.06.020","article-title":"FIGO consensus guidelines on intrapartum fetal monitoring: cardiotocography","volume":"131","author":"Ayres-de-Campos","year":"2015","journal-title":"Int J Gynecol Obstet"},{"issue":"3","key":"10.1016\/j.ejogrb.2022.01.023_b0055","doi-asserted-by":"crossref","first-page":"197","DOI":"10.1515\/JPM.2008.027","article-title":"The quality of intrapartum uterine activity monitoring","volume":"36","author":"Bakker","year":"2008","journal-title":"J Perinat Med"},{"issue":"5","key":"10.1016\/j.ejogrb.2022.01.023_b0060","doi-asserted-by":"crossref","first-page":"303","DOI":"10.1097\/OGX.0000000000000560","article-title":"Clinical use of Electrohysterography during term labor: a systematic review on diagnostic value, advantages, and limitations","volume":"73","author":"Vlemminx","year":"2018","journal-title":"Obstet Gynecol Surv"},{"issue":"5","key":"10.1016\/j.ejogrb.2022.01.023_b0065","doi-asserted-by":"crossref","first-page":"580","DOI":"10.1038\/s41372-018-0065-3","article-title":"Could electrohysterography be the solution for external uterine monitoring in obese women?","volume":"38","author":"Vlemminx","year":"2018","journal-title":"J Perinatol"},{"issue":"1","key":"10.1016\/j.ejogrb.2022.01.023_b0070","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.ogrm.2020.11.002","article-title":"Investigation and management of the small for gestational age fetus","volume":"31","author":"Bullough","year":"2021","journal-title":"Obstet Gynaecol Reprod Med"},{"key":"10.1016\/j.ejogrb.2022.01.023_b0075","unstructured":"Nederlandse Vereniging voor Obstetrie en Gynaecologie . NVOG-richtlijn Intrapartum foetale bewaking \u00e0 terme. 2015;1\u201342."},{"key":"10.1016\/j.ejogrb.2022.01.023_b0080","doi-asserted-by":"crossref","first-page":"62","DOI":"10.1016\/j.bpobgyn.2015.05.006","article-title":"Foetal scalp blood sampling during labour for pH and lactate measurements","volume":"30","author":"Carbonne","year":"2016","journal-title":"Best Pract Res Clin Obstet Gynaecol"},{"issue":"1","key":"10.1016\/j.ejogrb.2022.01.023_b0085","doi-asserted-by":"crossref","first-page":"14","DOI":"10.1159\/000262281","article-title":"Fetal scalp lactate microsampling for non-reassuring fetal status during labor: a prospective observational study","volume":"27","author":"Ramanah","year":"2010","journal-title":"Fetal Diagn Ther"},{"issue":"4","key":"10.1016\/j.ejogrb.2022.01.023_b0090","doi-asserted-by":"crossref","first-page":"763","DOI":"10.1007\/s00404-016-4053-6","article-title":"Correlation of fetal scalp blood sampling pH with neonatal outcome umbilical artery pH value","volume":"294","author":"Kuehnle","year":"2016","journal-title":"Arch Gynecol Obstet"},{"key":"10.1016\/j.ejogrb.2022.01.023_b0095","unstructured":"National Institute for Health and Clinical Excellence. Intrapartum care for healthy women and babies [Internet]. 2014. Available from: www.nice.org.uk\/guidance\/cg190."},{"issue":"6","key":"10.1016\/j.ejogrb.2022.01.023_b0100","doi-asserted-by":"crossref","first-page":"468","DOI":"10.1515\/JPM.2007.116","article-title":"Uterine activity monitoring during labor","volume":"35","author":"Bakker","year":"2007","journal-title":"J Perinat Med"},{"key":"10.1016\/j.ejogrb.2022.01.023_b0105","doi-asserted-by":"crossref","first-page":"142","DOI":"10.1016\/j.ejogrb.2020.10.008","article-title":"Qualitative assessment of interpretability and observer agreement of three uterine monitoring techniques","volume":"255","author":"Thijssen","year":"2020","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"10.1016\/j.ejogrb.2022.01.023_b0110","series-title":"Applications of EMG in Clinical and Sports Medicine","article-title":"An Uterine Electromyographic Activity as a Measure of Labor Progression","author":"Vrhovec","year":"2012"},{"issue":"2","key":"10.1016\/j.ejogrb.2022.01.023_b0115","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1016\/j.ejogrb.2010.12.044","article-title":"Is intrapartum fetal blood sampling a gold standard diagnostic tool for fetal distress?","volume":"156","author":"Mahendru","year":"2011","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"issue":"7","key":"10.1016\/j.ejogrb.2022.01.023_b0120","doi-asserted-by":"crossref","first-page":"857","DOI":"10.1111\/j.1471-0528.2012.03308.x","article-title":"Evaluation of selection criteria for validating paired umbilical cord blood gas samples: an observational study","volume":"119","author":"White","year":"2012","journal-title":"BJOG Int J Obstet Gynaecol"},{"issue":"12","key":"10.1016\/j.ejogrb.2022.01.023_b0125","doi-asserted-by":"crossref","first-page":"1054","DOI":"10.1111\/j.1471-0528.1994.tb13581.x","article-title":"Umbilical cord blood gas analysis at delivery: a time for quality data","volume":"101","author":"Westgate","year":"1994","journal-title":"BJOG Int J Obstet Gynaecol"},{"issue":"6","key":"10.1016\/j.ejogrb.2022.01.023_b0130","doi-asserted-by":"crossref","first-page":"400","DOI":"10.1080\/14767050410001727404","article-title":"STAN\u00ae S21 fetal heart monitor for fetal surveillance during labor: An observational study in 637 patients","volume":"15","author":"Kwee","year":"2004","journal-title":"J Matern Neonatal Med"},{"issue":"14","key":"10.1016\/j.ejogrb.2022.01.023_b0135","doi-asserted-by":"crossref","first-page":"1422","DOI":"10.3109\/14767058.2013.866645","article-title":"Can contraction patterns predict neonatal outcomes?","volume":"27","author":"Frey","year":"2014","journal-title":"J Matern Neonatal Med"},{"issue":"4","key":"10.1016\/j.ejogrb.2022.01.023_b0140","doi-asserted-by":"crossref","first-page":"313","DOI":"10.1016\/j.ajog.2006.11.035","article-title":"Elevated uterine activity increases the risk of fetal acidosis at birth","volume":"196","author":"Bakker","year":"2007","journal-title":"Am J Obstet Gynecol"},{"issue":"4","key":"10.1016\/j.ejogrb.2022.01.023_b0145","doi-asserted-by":"crossref","first-page":"290","DOI":"10.1016\/j.ajog.2012.07.032","article-title":"Defining uterine tachysystole: How much is too much?","volume":"207","author":"Stewart","year":"2012","journal-title":"Am J Obstet Gynecol"},{"issue":"4","key":"10.1016\/j.ejogrb.2022.01.023_b0150","doi-asserted-by":"crossref","first-page":"296","DOI":"10.1016\/j.ajog.2010.03.007","article-title":"High-dose vs low-dose oxytocin for labor augmentation: a systematic review","volume":"203","author":"Wei","year":"2010","journal-title":"Am J Obstet Gynecol"},{"issue":"6","key":"10.1016\/j.ejogrb.2022.01.023_b0155","first-page":"926","article-title":"Excessive uterine activity accompanying induced labor","volume":"97","author":"Crane","year":"2001","journal-title":"Obstet Gynecol"},{"issue":"5","key":"10.1016\/j.ejogrb.2022.01.023_b0160","doi-asserted-by":"crossref","first-page":"512","DOI":"10.1111\/j.1552-6909.2011.01275.x","article-title":"A performance improvement process to tackle tachysystole","volume":"40","author":"Doyle","year":"2011","journal-title":"JOGNN - J Obstet Gynecol Neonatal Nurs"},{"issue":"2","key":"10.1016\/j.ejogrb.2022.01.023_b0165","doi-asserted-by":"crossref","first-page":"152","DOI":"10.1515\/jpm-2018-0175","article-title":"Update on uterine tachysystole","volume":"47","author":"Hobson","year":"2018","journal-title":"J Perinat Med"}],"container-title":["European Journal of Obstetrics & Gynecology and Reproductive Biology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0301211522000355?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0301211522000355?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T13:51:14Z","timestamp":1784641874000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0301211522000355"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,4]]},"references-count":33,"alternative-id":["S0301211522000355"],"URL":"https:\/\/doi.org\/10.1016\/j.ejogrb.2022.01.023","relation":{},"ISSN":["0301-2115"],"issn-type":[{"value":"0301-2115","type":"print"}],"subject":[],"published":{"date-parts":[[2022,4]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The association between uterine contraction frequency and fetal scalp pH in women with suspicious or pathological fetal heart rate tracings: A retrospective study","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.2022.01.023","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2022 Elsevier B.V. All rights reserved.","name":"copyright","label":"Copyright"}]}}