Obesity can cause serious pregnancy-related medical complications such as hypertension and diabetes that contribute to prematurity and increase the likelihood of Cesarean birth.
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In Washington in 2020, 27.1% of women ages 18-44 were obese.
Notes: Before pregnancy obesity: mother's pre-pregnancy body mass index classified as obese (BMI greater than 30.0). For more information about the availability of PRAMS data by state and year, refer to the Calculations page.
Sources: Centers for Disease Control and Prevention, Pregnancy Risk Assessment Monitoring System. Retrieved October 6, 2022, from www.marchofdimes.org/peristats.
In Washington in 2019, 25.2% of mothers had a pre-pregnancy body mass index (BMI) classified as obese.
Obese is defined as a body mass index (BMI) of greater than 30.0.