{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T08:56:16Z","timestamp":1787648176027,"version":"build-2736575974"},"reference-count":35,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2020,2,24]],"date-time":"2020-02-24T00:00:00Z","timestamp":1582502400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"published-print":{"date-parts":[[2020,4]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To determine the risk of overall preterm birth (PTB) and spontaneous PTB in a pregnancy after a caesarean section (CS) at term.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Longitudinal linked national cohort study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>The Dutch Perinatal Registry (1999\u20132009).<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>268\u00a0495 women with two subsequent singleton pregnancies were identified.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A cohort study based on linked registered data from two subsequent pregnancies in the Netherlands.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main outcome measures<\/jats:title><jats:p>The incidence of overall PTB and spontaneous PTB with subgroup analysis on gestational age at first delivery and type of CS (planned or unplanned).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 268\u00a0495 women with a singleton first pregnancy who delivered at term, 15.76% (<jats:italic>n<\/jats:italic>\u00a0=\u00a042\u00a0328) had a CS. The incidence of PTB in the second pregnancy was 2.79% (<jats:italic>n<\/jats:italic>\u00a0=\u00a01182) in women with a previous CS versus 2.46% (<jats:italic>n<\/jats:italic>\u00a0=\u00a05570) in women with a previous vaginal delivery (adjusted odds ratio [aOR] 1.14, 95% confidence interval [CI] 1.07\u20131.21). This increased risk is mainly driven by an increased risk of spontaneous PTB after previous CS at term (aOR 1.50, 95% CI 1.38\u20131.70). Analysis for type of CS compared with vaginal delivery showed an aOR on spontaneous PTB of 1.86 (95% CI 1.58\u20132.18) for planned CS and an aOR of 1.40 (95% CI 1.24\u20131.58) for unplanned CS.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>CS at term is associated with a marginally increased risk of spontaneous PTB in a subsequent pregnancy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Tweetable abstract<\/jats:title><jats:p>Caesarean section at term is associated with a marginally increased risk of spontaneous PTB in a subsequent pregnancy.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1471-0528.16083","type":"journal-article","created":{"date-parts":[[2019,12,28]],"date-time":"2019-12-28T19:30:50Z","timestamp":1577561450000},"page":"610-617","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Risk of preterm birth after prior term cesarean"],"prefix":"10.1111","volume":"127","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7670-9305","authenticated-orcid":false,"given":"L","family":"Visser","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynaecology Located at the Boelelaan Amsterdam University Medical Centre Amsterdam the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C","family":"Slaager","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology Franciscus Gasthuis en Vlietland Rotterdam the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"BM","family":"Kazemier","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology Located at the Meibergdreef Amsterdam University Medical Centre Amsterdam the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"AL","family":"Rietveld","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology Located at the Boelelaan Amsterdam University Medical Centre Amsterdam the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8672-4365","authenticated-orcid":false,"given":"MA","family":"Oudijk","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology Located at the Meibergdreef Amsterdam University Medical Centre Amsterdam the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"CJM","family":"de Groot","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology Located at the Boelelaan Amsterdam University Medical Centre Amsterdam the Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8337-550X","authenticated-orcid":false,"given":"BW","family":"Mol","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology Monash University Melbourne Vic. 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