Technical notes


Sex and gender terminology

This report uses the terms ‘woman’, ‘women’, ‘mother’ and ‘mothers’ to mean females who were pregnant or gave birth. ‘Woman’ and ‘women’ typically refers to groups of people aged 18 years and over; however in this report, people who were pregnant or gave birth aged less than 18 are included. 

It is acknowledged that this report includes people who do not identify as women or mothers, and that individual parents and families may use different words to those used in this report. This may include transgender men, intersex people, non-binary and gender diverse people.

First Nations terminology

The AIHW uses ‘First Nations people’ to refer to Aboriginal and/or Torres Strait Islander people in this report.

Data sources

National Perinatal Data Collection

Analysis in this report uses data from the National Perinatal Data Collection (NPDC) for 2020 and 2021, including voluntary mental health screening items contributed by states and territories under the 2020–21 and 2021–22 National Best Endeavours Data Set (NBEDS).

See Availability of perinatal data for more information about what perinatal data are available in the NPDC and NBEDS.

See Australia's mothers and babies for more information on how data are collected for the NPDC and its structure.