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Can your smartwatch tell you you're pregnant?
A 2025 study from Scripps Research shows that smartwatches and fitness trackers—think Apple Watch, Fitbit, Garmin—can pick up on body changes tied to pregnancy hormones.
By tracking heart rate patterns, these devices might help detect pregnancy abnormalities.
Research tracked heart rate changes
Researchers followed 108 people from before they got pregnant until six months after giving birth.
They noticed heart rates dropped a bit in early pregnancy, then climbed and peaked just before delivery—mirroring shifts in key hormones.
Potential to revolutionize prenatal care
This tech could be a game changer for expecting parents, especially those living far from clinics or hospitals.
The findings suggest wearables could make prenatal care more accessible and help close gaps in maternal health across the US.