An Apple Watch has reportedly been credited with spotting a woman’s pregnancy before she was even aware of it.

According to a 34-year-old woman on Reddit, the watch indicated that her average resting heart rate had significantly increased in just a few days, which made her suspect that something was off.

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“Usually, my resting heart rate is about 57, and my heart rate has increased to 72. It’s not a big jump, but it showed up on an alert that it’s been higher for 15 days. I started trying to figure out why,” she wrote on the platform.

“The watch knew I was pregnant before I knew it! I would have never ever tested without wearing my watch because I have not had a period to be late on one,” she added.

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