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
Jan-Mar 2017 10.3% 41.6% 28.1% 12.9% 4.6% 1.8% 0.7%
Apr-Jun 2017 10.2% 42.5% 26.8% 12.8% 5.5% 1.7% 0.6%
Jul-Sep 2017 10.6% 41.5% 28.0% 12.4% 4.9% 1.8% 0.7%
Oct-Dec 2017 10.1% 41.3% 28.2% 12.5% 5.4% 1.9% 0.6%
Jan-Mar 2018 10.3% 41.4% 27.1% 12.8% 5.8% 1.8% 0.8%
Apr-Jun 2018 9.5% 41.0% 27.9% 13.2% 5.4% 2.1% 0.8%
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% 41.0% 28.0% 14.3% 5.6% 1.9% 0.8%
Apr-Jun 2019 8.8% 40.5% 28.5% 13.5% 5.8% 2.0% 0.9%
Jul-Sep 2019 9.5% 40.0% 28.7% 13.8% 5.4% 2.0% 0.7%
Oct-Dec 2019 8.7% 39.4% 29.9% 13.6% 5.1% 2.2% 1.0%
Jan-Mar 2020 7.4% 39.6% 30.4% 14.4% 6.1% 1.4% 0.7%
Data for most recent complete 4 quarters are incomplete and subject to change.

Source
Midwives Notification System, Data and Information Unit, Department of Health WA.
Data extracted 06 May 2020