• Click the legend to include other states.
• The percentage of low birthweights (less than 2,500 grams) in SA has been stable the past four years.
• SA has exceeded the national average in low birthweights for the past 13 years.
• In 2022, 6.6% of live births in SA were of low birthweight and the national average was 6.5%.
• SA has a lower percentage of low birthweights compared with TAS, ACT and NT.

Geographical distribution of low birthweights

In the above plot, regions that match the SA state average for low birthweight in 2022 are shown with white shading, while blue and brown show regions with lower and higher percentages of low birthweight, respectively. Click a region on the plot to bring up more detailed information.

In 2022:

• Prospect – Walkerville, Outback – North and East, Salisbury and Charles Sturt were the areas in South Australia with the highest percentage of low birthweights.
• Mitchem, Fleurieu – Kangaroo Island, and Barossa were the SA areas with the lowest percentage of low birthweights.

Data Source: AIHW analysis of the National Perinatal Data Collection

• Click the legend to include other states.
• The SA percentage of pre-term births (born prior to 37 weeks) has been stable for the past four years.
• SA has had a higher percentage of pre-term births than the national average for the past 13 years.
• In 2022, 9.0% of live births were pre-term and the national average was 8.3%.
• ACT and SA have had similar trends over the past 13 years for the percentage of pre-term births.
• NT has had a higher percentage of pre-term births than SA since 2010.
• TAS has exceeded SA percentage of pre-term births till 2018 and since then has been comparable with SA.

Data Source: AIHW analysis of the National Perinatal Data Collection

• Click the legend to include other states.
• SA has been reducing the percentage of smoking during the first 20 weeks over the past 13 years.
• Since 2019, SA had a lower percentage of pregnant women smoking in their first 20 weeks of pregnancy than the national average.
• In 2022, 6.5% of pregnant women in SA smoked during the first 20 weeks of their pregnancy and the national average was 8.3%.
• QLD had a similar decrease to SA but have plateaued in the last five years (2018 to 2022).

Geographical distribution of smoking within the first 20 weeks of pregnancy

In the above plot, regions that match the SA state average for smoking within the first 20 weeks of pregnancy in 2022 are shown with white shading, while blue and brown show regions with lower and higher percentages of smoking within the first 20 weeks of pregnancy, respectively. Click a region on the plot to bring up more detailed information.

In 2022:

• Outback – North and East were 271% greater than the state average for percentage of smoking during the first 20 weeks. Other areas such as Mid North, Eyre Peninsula and South West, and, Murray and Mallee were 151%, 137% and 110% greater than the state average, respectively.
• Regional and Remote areas, except for Fleurieu – Kangaroo Island, had higher percentage of smoking during the first 20 weeks of pregnancy.
• Adelaide City and Burnside are labelled as NA due to the small numbers for smoking during the first 20 weeks of pregnancy.

Data Source: AIHW analysis of the National Perinatal Data Collection

• Click the legend to include other states.
• The SA percentage of pregnant women under 20 years old (when giving birth) has been decreasing along with the national average over the past 13 years.
• In 2022, only 1.5% of pregnant women were under the age of 20 when giving birth, compared to the national average of 1.6%.
• VIC and ACT have been approximately 80% less than the national average for the past 13 years.

Geographical distribution of pregnant women under 20 years old

In the above plot, regions that match the SA state average for pregnant women under the age of 20 in 2022 are shown with white shading, while blue and brown show regions with lower and higher percentages of pregnant women under the age of 20, respectively. Click a region on the plot to bring up more detailed information.

In 2022:

• Regional and Remote areas were one and a half to four times the state average on percentage of pregnant women under 20 years old.
• Outback – North and East, Yorke Peninsula, Limestone Coast, Eyre Peninsula and South West, and Mid North were the five SA areas that had the highest percentage of pregnant women under 20 years old.
• All areas labelled with NA were due to a small number of pregnant women under the age of 20.

Data Source: AIHW analysis of the National Perinatal Data Collection.

• Click the legend to include other states.
• SA has had a higher percentage of attendance to antenatal appointments in the first 14 weeks of pregnancy, comparing with the national average.
• In 2022, 80.4% of pregnant women in SA had their first antenatal appointment within the first 14 weeks of pregnancy, compared with the national average of 78%.
• NT, Tas and Qld are the three states with higher percentage of antenatal attendance than SA in 2022.

Geographical distribution for attendance to antenatal appointment within the first 14 weeks

In the above plot, regions that match the SA state average for first antenatal appointment in 2022 are shown with white shading, while blue and brown show regions with lower and higher percentages of first antenatal appointment, respectively. Click a region on the plot to bring up more detailed information.

In 2022:

• As indicated by the faint colours on the plot, most regions are similar to the state average for attendance to first antenatal appointment.
• Fleurieu – Kangaroo Island and Playford were the two SA areas with the lowest attendance to first antenatal appointments.
• Unley, Burnside, Holdfast Bay, Norwood – Payneham – St Peters and Campbelltown were the top five SA areas with the highest attendance to first antenatal appointments.

Data Source: AIHW analysis of the National Perinatal Data Collection