{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,9]],"date-time":"2026-07-09T02:13:58Z","timestamp":1783563238360,"version":"3.55.0"},"reference-count":26,"publisher":"BMJ","issue":"1","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2017,11,20]]},"published-print":{"date-parts":[[2018,1]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To compare intrapartum and neonatal mortality in low-risk term women starting labour in midwife-led versus obstetrician-led care.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study design<\/jats:title><jats:p>We performed a propensity score matched study using data from our national perinatal register, completed with data from medical files. We studied women without major risk factors with singleton pregnancies who gave birth at term between 2005 and 2008 in the Amsterdam region of the Netherlands. Major risk factors comprised non-vertex position of the fetus, previous Caesarean birth, hypertension, (gestational) diabetes mellitus, post-term pregnancy (\u226542 weeks), prolonged rupture of membranes (&gt;24\u2009hours), vaginal bleeding in the second half of pregnancy or induced labour. Groups were devided by midwife-led versus obstetrician-led care at the onset of labour. The primary outcome was intrapartum and neonatal (&lt;28 days) mortality. Secondary outcomes included obstetric interventions, 5 min Apgar scores&lt;7\u2009and neonatal intensive care admittance for &gt;24\u2009hours.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>We studied 57\u2009396 women. Perinatal mortality occurred in 30 of 46 764 (0.64\u2030) women in midwife-led care and in 2 of 10 632 (0.19\u2030) women in obstetrician-led care (OR 3.4, 95%\u2009CI 0.82 to 14.3). A propensity score matched analysis in a 1:1 ratio with 10\u2009632 women per group revealed an OR for perinatal mortality of 4.0 (95% CI 0.85 to 18.9).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Among low-risk women, midwife-led care at the onset of labour was associated with a statistically non-significant higher mortality rate.<\/jats:p><\/jats:sec>","DOI":"10.1136\/bmjopen-2017-018845","type":"journal-article","created":{"date-parts":[[2018,1,6]],"date-time":"2018-01-06T06:56:07Z","timestamp":1515221767000},"page":"e018845","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":7,"title":["Intrapartum and neonatal mortality among low-risk women in midwife-led versus obstetrician-led care in the Amsterdam region of the Netherlands: a propensity score matched study"],"prefix":"10.1136","volume":"8","author":[{"given":"Melanie M J","family":"Wiegerinck","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Birgit Y","family":"van der Goes","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anita C J","family":"Ravelli","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joris A M","family":"van der Post","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fayette C D","family":"Buist","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pieter","family":"Tamminga","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ben W","family":"Mol","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2018,1,5]]},"reference":[{"key":"2024051710270712000_8.1.e018845.1","unstructured":"CVZ. Verloskundig vademecum 2003. Eindrapport van de commissie verloskunde van het college voor zorgverzekeringen. [Obstetrical manual 2003. Final report of the obstetric working group of the national health insurance board CVZ]. Diemen: CVZ, 2003."},{"key":"2024051710270712000_8.1.e018845.2","unstructured":"Registry TNP. Perinatal care in the Netherlands 2013. Utrecht: Stichting perinatale registratie Nederland, 2013."},{"key":"2024051710270712000_8.1.e018845.3","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.2009.02175.x"},{"key":"2024051710270712000_8.1.e018845.4","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0b013e3182319737"},{"key":"2024051710270712000_8.1.e018845.5","doi-asserted-by":"publisher","DOI":"10.1503\/cmaj.081869"},{"key":"2024051710270712000_8.1.e018845.6","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.d7400"},{"key":"2024051710270712000_8.1.e018845.7","doi-asserted-by":"publisher","DOI":"10.1503\/cmaj.150564"},{"key":"2024051710270712000_8.1.e018845.8","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.c5639"},{"key":"2024051710270712000_8.1.e018845.9","doi-asserted-by":"crossref","first-page":"1168","DOI":"10.1016\/j.midw.2015.08.007","article-title":"Intrapartum and neonatal mortality in primary midwife-led and secondary obstetrician-led care in the Amsterdam region of the Netherlands: A retrospective cohort study","volume":"31","author":"Wiegerinck","year":"2015","journal-title":"Midwifery"},{"key":"2024051710270712000_8.1.e018845.10","doi-asserted-by":"crossref","first-page":"883.e1","DOI":"10.1016\/j.jclinepi.2006.11.021","article-title":"Probabilistic record linkage is a valid and transparent tool to combine databases without a patient identification number","volume":"60","author":"M\u00e9ray","year":"2007","journal-title":"J Clin Epidemiol"},{"key":"2024051710270712000_8.1.e018845.11","unstructured":"Registry TNP . Perinatal care in the Netherlands 2007. Utrecht: Stichting perinatale registratie Nederland, 2009."},{"key":"2024051710270712000_8.1.e018845.12","doi-asserted-by":"crossref","DOI":"10.1136\/bmjopen-2014-005652","article-title":"Term perinatal mortality audit in the Netherlands 2010-2012: a population-based cohort study","volume":"4","author":"Eskes","year":"2014","journal-title":"BMJ Open"},{"key":"2024051710270712000_8.1.e018845.13","doi-asserted-by":"publisher","DOI":"10.1093\/biomet\/70.1.41"},{"key":"2024051710270712000_8.1.e018845.14","doi-asserted-by":"publisher","DOI":"10.1111\/1475-6773.12182"},{"key":"2024051710270712000_8.1.e018845.15","doi-asserted-by":"crossref","first-page":"311.e1","DOI":"10.1016\/j.ajog.2012.02.002","article-title":"Elective repeat cesarean delivery compared with spontaneous trial of labor after a prior cesarean delivery: a propensity score analysis","volume":"206","author":"Gilbert","year":"2012","journal-title":"Am J Obstet Gynecol"},{"key":"2024051710270712000_8.1.e018845.16","doi-asserted-by":"crossref","first-page":"1477","DOI":"10.1111\/1471-0528.14676","article-title":"Pitfalls in the use of register-based data for comparing adverse maternal and perinatal outcomes in different birth settings","volume":"124","author":"de Jonge","year":"2017","journal-title":"BJOG"},{"key":"2024051710270712000_8.1.e018845.17","doi-asserted-by":"publisher","DOI":"10.1093\/annonc\/mdw047"},{"key":"2024051710270712000_8.1.e018845.18","doi-asserted-by":"publisher","DOI":"10.1038\/506150a"},{"key":"2024051710270712000_8.1.e018845.19","unstructured":"Perined. Perinatal audit of term mortality in 2013 & 2014, 2016. [Perinatale audit van \u00e0 terme sterfte in 2013 & 2014]."},{"key":"2024051710270712000_8.1.e018845.20","first-page":"2718","article-title":"[Higher perinatal mortality in The Netherlands than in other European countries: the Peristat-II study]","volume":"152","author":"Mohangoo","year":"2008","journal-title":"Ned Tijdschr Geneeskd"},{"key":"2024051710270712000_8.1.e018845.21","doi-asserted-by":"publisher","DOI":"10.1136\/jech.2008.080440"},{"key":"2024051710270712000_8.1.e018845.22","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.c7020"},{"key":"2024051710270712000_8.1.e018845.23","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMsa1501738"},{"key":"2024051710270712000_8.1.e018845.24","doi-asserted-by":"crossref","first-page":"603","DOI":"10.1111\/aogs.12384","article-title":"The validity of the variable\u00a0\u2018NICU admission\u2018 \u00a0as an outcome measure for neonatal morbidity: a retrospective study","volume":"93","author":"Wiegerinck","year":"2014","journal-title":"Acta Obstet Gynecol Scand"},{"key":"2024051710270712000_8.1.e018845.25","doi-asserted-by":"crossref","first-page":"455","DOI":"10.1515\/jpm-2014-0003","article-title":"Justified skepticism about Apgar scoring in out-of-hospital birth settings","volume":"43","author":"Gr\u00fcnebaum","year":"2015","journal-title":"J Perinat Med"},{"key":"2024051710270712000_8.1.e018845.26","doi-asserted-by":"crossref","first-page":"349","DOI":"10.1515\/jpm-2016-0200","article-title":"Underlying causes of neonatal deaths in term singleton pregnancies: home births versus hospital births in the United States","volume":"45","author":"Gr\u00fcnebaum","year":"2017","journal-title":"J Perinat Med"}],"container-title":["BMJ Open"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bmjopen-2017-018845","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,5,17]],"date-time":"2024-05-17T18:47:15Z","timestamp":1715971635000},"score":1,"resource":{"primary":{"URL":"https:\/\/bmjopen.bmj.com\/lookup\/doi\/10.1136\/bmjopen-2017-018845"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,1]]},"references-count":26,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2018,1,5]]},"published-print":{"date-parts":[[2018,1]]}},"alternative-id":["10.1136\/bmjopen-2017-018845"],"URL":"https:\/\/doi.org\/10.1136\/bmjopen-2017-018845","relation":{},"ISSN":["2044-6055","2044-6055"],"issn-type":[{"value":"2044-6055","type":"print"},{"value":"2044-6055","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,1]]}}}