Perinatal Deaths in Australia 2013–2014
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Cancer in adolescents and young adults Australia Perinatal deaths in Australia 2013–2014 This report is the second national report to present key data specific to cancer in adolescents and young adults. While cancer in young Australians is rare, it has a substantial social and economic impact on individuals, families and the community. Surveillance of this population is also important as adolescent and young adult cancer survivors are at an increased risk of developing a second cancer. aihw.gov.au AIHW Stronger evidence, better decisions, improved health and welfare Stronger evidence, better decisions, improved health and welfare Perinatal deaths in Australia 2013–2014 Australian Institute of Health and Welfare Canberra Cat. no. PER 94 The Australian Institute of Health and Welfare is a major national agency whose purpose is to create authoritative and accessible information and statistics that inform decisions and improve the health and welfare of all Australians. © Australian Institute of Health and Welfare 2018 This product, excluding the AIHW logo, Commonwealth Coat of Arms and any material owned by a third party or protected by a trademark, has been released under a Creative Commons BY 3.0 (CC-BY 3.0) licence. Excluded material owned by third parties may include, for example, design and layout, images obtained under licence from third parties and signatures. We have made all reasonable efforts to identify and label material owned by third parties. You may distribute, remix and build upon this work. However, you must attribute the AIHW as the copyright holder of the work in compliance with our attribution policy available at <www.aihw.gov.au/copyright/>. The full terms and conditions of this licence are available at <http://creativecommons.org/licenses/by/3.0/au/>. A complete list of the Institute’s publications is available from the Institute’s website <www.aihw.gov.au>. ISBN 978-1-76054-373-0 (PDF) ISBN 978-1-76054-374-7 (Print) Suggested citation Australian Institute of Health and Welfare 2018. Perinatal deaths in Australia: 2013–2014. Cat. no. PER 94. Canberra: AIHW. Australian Institute of Health and Welfare Board Chair Director Mrs Louise Markus Mr Barry Sandison Any enquiries relating to copyright or comments on this publication should be directed to: Australian Institute of Health and Welfare GPO Box 570 Canberra ACT 2601 Tel: (02) 6244 1000 Email: [email protected] Published by the Australian Institute of Health and Welfare This publication is printed in accordance with ISO 14001 (Environmental Management Systems) and ISO 9001 (Quality Management Systems). The paper is sourced from sustainably managed certified forests. Please note that there is the potential for minor revisions of data in this report. Please check the online version at <www.aihw.gov.au> for any amendments. Contents Acknowledgments ................................................................................................................v Abbreviations ......................................................................................................................vi Symbols ..............................................................................................................................vii Summary ............................................................................................................................ viii 1 Introduction ...................................................................................................................1 1.1 Background ..............................................................................................................1 1.2 Definitions and classifications ................................................................................... 3 1.3 Measuring perinatal mortality .................................................................................... 4 1.4 Investigation of perinatal deaths ............................................................................... 6 1.5 Classification of cause of perinatal death .................................................................. 6 1.6 Structure of this report ..............................................................................................7 2 Overview of perinatal deaths ........................................................................................8 2.1 Perinatal mortality rate .............................................................................................. 8 2.2 International comparisons .........................................................................................9 2.3 State and territory perinatal mortality rates ............................................................. 11 2.4 Perinatal mortality rates by Primary Health Network area ....................................... 12 3 Baby and clinical characteristics ............................................................................... 14 3.1 Birthweight for gestation ......................................................................................... 14 3.2 Birthweight .............................................................................................................. 15 3.3 Gestational age ...................................................................................................... 16 3.4 Sex of the babies .................................................................................................... 18 3.5 Indigenous status of the babies .............................................................................. 20 3.6 Birth plurality ........................................................................................................... 21 3.7 Timing of perinatal death ........................................................................................ 22 3.8 Incidence of autopsy ............................................................................................... 24 4 Maternal characteristics .............................................................................................. 26 4.1 Maternal age ........................................................................................................... 26 4.2 Maternal BMI .......................................................................................................... 27 4.3 Maternal smoking during pregnancy ....................................................................... 28 4.4 Maternal antenatal care .......................................................................................... 30 4.5 Maternal Indigenous status ..................................................................................... 31 4.6 Maternal country of birth ......................................................................................... 33 4.7 Maternal remoteness of residence .......................................................................... 33 iii 4.8 Maternal socioeconomic status ............................................................................... 34 5 Causes of perinatal deaths ......................................................................................... 36 5.1 Cause of perinatal deaths ....................................................................................... 36 5.2 Plurality ................................................................................................................... 39 5.3 Gestation ................................................................................................................ 41 5.4 Birthweight .............................................................................................................. 42 5.5 Maternal age ........................................................................................................... 44 5.6 Timing of perinatal death ........................................................................................ 44 5.7 Maternal Indigenous status ..................................................................................... 45 6 Perinatal death in term singleton babies with no known congenital anomaly causing death .............................................................................................................. 47 6.1 Mortality rates of singleton births not known to have a congenital anomaly causing death ......................................................................................................... 47 6.2 Perinatal death in term singleton babies not known to have a congenital anomaly causing death ........................................................................................... 49 6.3 Autopsy in perinatal deaths of term singleton babies not known to have a congenital anomaly causing death .......................................................................... 53 7 Contributing factors in perinatal deaths .................................................................... 54 Appendix A: Methodology ................................................................................................ 55 Appendix B: National Perinatal Mortality Data Collection project governance ............ 57 Appendix C: Data quality statement regarding National Perinatal Mortality Data Collection ..................................................................................................... 60 Appendix D: Perinatal Society of Australia and New Zealand recommendations regarding investigation of a perinatal death .............................................. 64 Glossary ..............................................................................................................................69