Data
Body Mass Index of women who gave birth
| Quarter |
BMI <20 |
BMI 20-24 |
BMI 25-29 |
BMI 30-34 |
BMI 35-39 |
BMI 40-44 |
BMI>=45 |
| Apr-Jun 2023 |
7.5% |
37.6% |
29.4% |
15.5% |
6.6% |
2.3% |
1.0% |
| Jul-Sep 2023 |
7.8% |
36.3% |
30.4% |
16.1% |
6.0% |
2.3% |
1.0% |
| Oct-Dec 2023 |
7.4% |
38.2% |
29.7% |
15.3% |
6.3% |
2.2% |
0.9% |
| Jan-Mar 2024 |
7.1% |
36.5% |
29.9% |
16.0% |
6.6% |
2.3% |
1.6% |
| Apr-Jun 2024 |
7.1% |
37.4% |
29.7% |
15.1% |
6.5% |
2.1% |
2.2% |
| Jul-Sep 2024 |
7.4% |
37.4% |
30.2% |
14.4% |
6.4% |
1.9% |
2.3% |
| Oct-Dec 2024 |
7.4% |
36.7% |
29.9% |
15.1% |
6.5% |
2.2% |
2.1% |
| Jan-Mar 2025 |
7.2% |
36.1% |
29.4% |
16.3% |
6.5% |
2.1% |
2.4% |
| Apr-Jun 2025 |
6.6% |
36.6% |
30.1% |
15.5% |
6.2% |
2.3% |
2.7% |
| Jul-Sep 2025 |
6.9% |
36.6% |
29.4% |
15.6% |
6.8% |
2.4% |
2.4% |
| Oct-Dec 2025 |
6.8% |
37.0% |
30.0% |
15.3% |
5.9% |
2.5% |
2.5% |
| Jan-Mar 2026 |
6.5% |
36.9% |
32.0% |
15.0% |
5.8% |
2.0% |
1.9% |
| Apr-Jun 2026 |
6.1% |
35.3% |
31.7% |
17.1% |
6.2% |
1.8% |
1.8% |
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 06 July 2026