Many teenage mothers access antenatal care in the first trimester (68%) and have more than 5 antenatal visits (90%). In particular, the rate of antenatal visits in the first trimester has been rising over time.
Teenage mothers have high smoking rates, with 1 in 3 (34%) smoking during pregnancy in 2020, however this rate has fallen over time (from 37% in 2010).
Although teenage mothers are more likely to have spontaneous onset of labour, this rate has fallen over time (from 69% in 2010 to 52% in 2020) with a corresponding increase in induced labour onset (from 25% in 2010 to 41% in 2020). Because spontaneous and induced labour are most commonly associated with vaginal birth, this means that the rate of vaginal births and caesarean sections has remained largely stable.
It is important to note that teenage mothers experience significant differences in relation to maternal characteristics, health behaviours and outcomes – and perinatal outcomes – when compared to the overall population of Australian mothers and babies. These differences can be explored when viewing Maternal age at the chapter or topic level throughout this report.
Babies born to mothers aged under 20
In 2020, babies born to mothers aged under 20 accounted for 1.8% (5,263) of all births.
The data visualisation below presents data for babies born to women who gave birth aged under 20, by selected baby characteristics over an 11-year period (where available).