Koullali, BouchraVan Zijl, Maud D.Kazemier, Brenda M.Oudijk, Martijn A.Mol, Ben W.J.Pajkrt, EvaRavelli, Anita C.J.2020-07-072020-07-072020-04-21Koullali, B, Van Zijl, M D, Kazemier, B M, Oudijk, M A, Mol, B W J, Pajkrt, E & Ravelli, A C J 2020, 'The association between parity and spontaneous preterm birth : A population based study', BMC Pregnancy and Childbirth, vol. 20, 233. https://doi.org/10.1186/s12884-020-02940-w1471-2393https://hdl.handle.net/2164/14665The authors thank the Dutch midwives, obstetricians, neonatologists, and other perinatal health care providers for the registration of perinatal information and the foundation of the Netherlands Perinatal Registry (www.perined.nl) for permission to use the registry data (approval no. 17.34).8786756engNulliparityParityRisk factorsSpontaneous preterm birthMATERNAL AGEGRAND MULTIPARITYINCREASESRISKEPIDEMIOLOGYPROBABILISTIC RECORD LINKAGEPREGNANCYR MedicineObstetrics and GynaecologyRJournal article10.1186/s12884-020-02940-whttp://www.scopus.com/inward/record.url?scp=85083871638&partnerID=8YFLogxK20