The Australian and New Zealand Journal of Obstetrics and Gynaecology (ANZJOG) is an editorially independent publication owned by the Royal Australian and New Zealand College of Obstetricians and Gynaecologists (RANZCOG) and the RANZCOG Research foundation. ANZJOG aims to provide a medium for the publication of original contributions to clinical practice and/or research in all fields of obstetrics and gynaecology and related disciplines. Articles are peer reviewed by clinicians or researchers expert in the field of the submitted work.