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Nonoccupational Physical Activity During Pregnancy, Behavioral Risk Factor Surveillance System, United States, 2023.

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Nearly half of pregnant women meet aerobic activity guidelines, but only 28.6% meet muscle-strengthening recommendations. Targeted interventions are needed to increase physical activity among diverse pregnant populations.

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Area of Science:

  • Public Health
  • Exercise Science
  • Maternal Health

Background:

  • Physical activity during pregnancy offers significant health benefits for both mother and child.
  • Understanding current physical activity levels is crucial for developing effective public health strategies.
  • Nonoccupational physical activity guidelines exist for pregnant women.

Purpose of the Study:

  • To determine the prevalence of meeting aerobic and muscle-strengthening activity guidelines among pregnant women in the United States.
  • To explore sociodemographic factors associated with physical activity participation in this population.

Main Methods:

  • Cross-sectional study utilizing 2023 Behavioral Risk Factor Surveillance System data.
  • Analysis included 2104 pregnant women aged 18 to 49 years.
  • Adjusted logistic regression modeling was used to identify sociodemographic differences.

Main Results:

  • 49.0% of pregnant women met the aerobic activity guideline (≥150 min/week).
  • 28.6% of pregnant women met the muscle-strengthening activity guideline (≥2 episodes/week).
  • Significant sociodemographic differences were observed for meeting both aerobic and muscle-strengthening activity guidelines, particularly related to age, race/ethnicity, and general health.

Conclusions:

  • A substantial proportion of pregnant women do not meet recommended physical activity guidelines.
  • Sociodemographic factors influence participation in physical activity during pregnancy.
  • Multilevel interventions are necessary to promote physical activity among diverse pregnant women and maximize health benefits.