Estimating energy requirements from Dietary Reference Intakes for pregnant people with obesity using wearables
Authors' conclusion
Step count and activity minute data from wearables cannot be used to determine PAL in pregnant individuals with obesity. To minimize excess GWG risks, our outcomes suggest assuming "inactive" physical activity when estimating EER for pregnant people with obesity.
Study context
- Population
- Pregnant individuals with obesity (BMI > 30 kg/m²); Physical activity levels (PAL) measured in early and late pregnancy in the laboratory and from wearables
- Participants
- 53 individuals
- Outcome
- PAL, early to late pregnancy
- Follow-up
- Early vs late pregnancy
Methodological detailssimulation of overreported physical activity
- Simulation of overreported physical activity
Main finding
As reported in the abstract
- PAL decreased from early to late pregnancy
- p = 0.01
- Simulated overestimation of physical activity on estimated energy requirements (EER) in late pregnancy: excess gestational weight gain (GWG) in all individuals with decreased PAL during pregnancy
- p < 0.001
Observational data: associations, not effects.
Original publication
Estimating energy requirements from Dietary Reference Intakes for pregnant people with obesity using wearables. Obesity (Silver Spring). Published 12 March 2025. doi:10.
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