Data

Body Mass Index of women who gave birth

Quarter of birth

Quarter BMI <20 BMI 20-24 BMI 25-29 BMI 30-34 BMI 35-39 BMI 40-44 BMI>=45
Jul-Sep 2018 9.7% 41.1% 27.5% 13.0% 5.9% 2.1% 0.8%
Oct-Dec 2018 9.9% 40.3% 28.0% 13.6% 5.4% 1.9% 0.8%
Jan-Mar 2019 8.4% 40.9% 28.0% 14.3% 5.6% 1.9% 0.8%
Apr-Jun 2019 8.7% 40.5% 28.6% 13.5% 5.7% 2.0% 0.9%
Jul-Sep 2019 9.5% 40.0% 28.7% 13.8% 5.4% 2.0% 0.7%
Oct-Dec 2019 8.6% 39.5% 29.8% 13.7% 5.2% 2.3% 1.0%
Jan-Mar 2020 8.1% 39.5% 29.5% 14.1% 6.1% 1.8% 0.9%
Apr-Jun 2020 8.5% 39.5% 28.6% 14.6% 5.4% 2.5% 0.9%
Jul-Sep 2020 8.3% 39.0% 29.1% 14.2% 6.2% 2.2% 1.0%
Oct-Dec 2020 8.6% 40.0% 28.8% 13.6% 5.8% 2.3% 1.0%
Jan-Mar 2021 7.8% 37.8% 30.4% 14.8% 6.2% 2.3% 0.7%
Apr-Jun 2021 7.4% 38.0% 30.4% 15.6% 5.8% 2.0% 0.9%
Jul-Sep 2021 7.2% 37.1% 30.9% 16.8% 6.2% 1.4% 0.5%
Data for most recent complete 4 quarters are incomplete and subject to change.

Source
Midwives Notification System, Information and System Performance Directorate, Department of Health WA.
Data extracted 09 November 2021