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Maternal factors associated with three phenotypes: spontaneous preterm labour, preterm pre-labour rupture of membranes and medically indicated preterm birth","volume":"25","author":"JJ Henderson","year":"2012","journal-title":"J Matern Fetal Neonatal Med"},{"issue":"7","key":"ref14","doi-asserted-by":"crossref","first-page":"e39154","DOI":"10.1371\/journal.pone.0039154","article-title":"Risk Factors for Preterm Birth in an International Prospective Cohort of Nulliparous Women","volume":"7","author":"GA Dekker","year":"2012","journal-title":"PLoS ONE"},{"issue":"19","key":"ref15","doi-asserted-by":"crossref","first-page":"3153","DOI":"10.3109\/14767058.2015.1118035","article-title":"Maternal and neonatal epidemiological features in clinical subtypes of preterm birth","volume":"29","author":"LG Gimenez","year":"2016","journal-title":"J Matern Fetal Neonatal Med"},{"issue":"11","key":"ref16","doi-asserted-by":"crossref","first-page":"1484","DOI":"10.1111\/1471-0528.13495","article-title":"Maternal characteristics and mid-pregnancy serum biomarkers as risk factors for subtypes of preterm birth","volume":"122","author":"LL Jelliffe-Pawlowski","year":"2015","journal-title":"BJOG: An International Journal of Obstetrics & Gynaecology"},{"issue":"1","key":"ref17","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1002\/1096-9926(200101)63:1<23::AID-TERA1004>3.0.CO;2-S","article-title":"Ascertainment of pregnancies terminated because of birth defects: effect on completeness of adding a new source of data.","volume":"63","author":"C Bower","year":"2001","journal-title":"Teratology"},{"issue":"5","key":"ref18","doi-asserted-by":"crossref","first-page":"453","DOI":"10.1111\/j.1467-842X.1999.tb01297.x","article-title":"Population-based linkage of health records in Western Australia: development of a health services research linked database","volume":"23","author":"CD Holman","year":"1999","journal-title":"Aust N Z J Public Health"},{"issue":"4","key":"ref19","doi-asserted-by":"crossref","first-page":"766","DOI":"10.1071\/AH080766","article-title":"A decade of data linkage in Western Australia: strategic design, applications and benefits of the WA data linkage system","volume":"32","author":"Bass JA Holman CDAJ","year":"2008","journal-title":"Aust Health Rev"},{"key":"ref20","unstructured":"Gee V, Dawes V. Validation study of the Western Australian Midwives&apos; Notification System 1992. Perth: Health Department of Western Australia, 1994 Contract No.: Occasional paper 59."},{"key":"ref21","unstructured":"Downey F. Validation Study of the Western Australian Midwives\u2019 Notification System. 2005 Data. Perth, Western Australia: 2007 Statistical series number 78 ISSN: 0816-2999."},{"issue":"3","key":"ref22","doi-asserted-by":"crossref","first-page":"251","DOI":"10.1111\/j.1467-842X.2002.tb00682.x","article-title":"Research use of linked health data\u2014a best practice protocol","volume":"26","author":"CW Kelman","year":"2002","journal-title":"Aust N Z J Public Health"},{"key":"ref23","unstructured":"World Health Organization. Preterm birth: WHO; 2018 [updated 19 February 2018; cited 2018 20 June 2018]. Available from: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.who.int\/mediacentre\/factsheets\/fs363\/en\/\" xlink:type=\"simple\">http:\/\/www.who.int\/mediacentre\/factsheets\/fs363\/en\/<\/ext-link>."},{"key":"ref24","unstructured":"ABS. Census of Population and Housing: Socio-Economic Indexes for Area&apos;s (SEIFA), 2001. Canberra: Australian Bureau of Statistics. Catalogue number 2039.0.55.001; 2004."},{"key":"ref25","unstructured":"DoHWA. Guidelines for Completing Notification of Case Attended for Birth. Perth, Western Australia: Department of Health; 2014. Available from: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.health.wa.gov.au\/publications\/documents\/Guidelines_for_Completion_of_NOCA.pdf\" xlink:type=\"simple\">http:\/\/www.health.wa.gov.au\/publications\/documents\/Guidelines_for_Completion_of_NOCA.pdf<\/ext-link>."},{"issue":"5","key":"ref26","doi-asserted-by":"crossref","first-page":"291","DOI":"10.5694\/mja11.11331","article-title":"Australian national birthweight percentiles by sex and gestational age, 1998\u20132007","volume":"197","author":"TA Dobbins","year":"2012","journal-title":"Med J Aust"},{"issue":"4","key":"ref27","doi-asserted-by":"crossref","first-page":"337","DOI":"10.1111\/j.1479-828X.2004.00252.x","article-title":"Late pregnancy termination within a legislated medical environment","volume":"44","author":"JE Dickinson","year":"2004","journal-title":"Aust N Z J Obstet Gynaecol"},{"key":"ref28","unstructured":"Health Act 1911."},{"key":"ref29","unstructured":"Western Australian Register of Developmental Anomalies 2015 [cited 2015 10 September]. Available from: <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/www.kemh.health.wa.gov.au\/services\/register_developmental_anomalies\/diagnostic_codes_birth_defects.htm\" xlink:type=\"simple\">http:\/\/www.kemh.health.wa.gov.au\/services\/register_developmental_anomalies\/diagnostic_codes_birth_defects.htm<\/ext-link>."},{"issue":"7","key":"ref30","doi-asserted-by":"crossref","first-page":"702","DOI":"10.1093\/aje\/kwh090","article-title":"A modified poisson regression approach to prospective studies with binary data","volume":"159","author":"G. Zou","year":"2004","journal-title":"Am J Epidemiol"},{"key":"ref31","doi-asserted-by":"crossref","first-page":"32","DOI":"10.1186\/1471-2288-6-32","article-title":"Calculating confidence intervals for impact numbers","volume":"6","author":"M Hildebrandt","year":"2006","journal-title":"BMC medical research methodology"},{"issue":"6","key":"ref32","doi-asserted-by":"crossref","first-page":"1217","DOI":"10.1097\/AOG.0b013e3181a66f2d","article-title":"Recurring complications in second pregnancy","volume":"113","author":"JA Lykke","year":"2009","journal-title":"Obstet Gynecol"},{"issue":"5","key":"ref33","doi-asserted-by":"crossref","first-page":"454.e1","DOI":"10.1016\/j.ajog.2011.05.009","article-title":"Recurrence of placental dysfunction disorders across generations","volume":"205","author":"AK Wikstrom","year":"2011","journal-title":"Am J Obstet Gynecol"},{"key":"ref34","first-page":"16","article-title":"The biological basis and prevention of preterm birth","volume":"16","author":"GC Di Renzo","year":"2018","journal-title":"Best Pract Res Clin Obstet Gynaecol"},{"issue":"4","key":"ref35","doi-asserted-by":"crossref","first-page":"284","DOI":"10.1111\/j.1365-3016.2005.00666.x","article-title":"The effect of terminations of pregnancy for fetal abnormalities on trends in mortality to one year of age in Western Australia","volume":"19","author":"J Bourke","year":"2005","journal-title":"Paediatr Perinat Epidemiol"},{"key":"ref36","unstructured":"Hutchinson M, Joyce A, Cheong M. Induced Abortions in Western Australia 2010\u20132012. 4th Report of the Western Australian Abortion Notification System. 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