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No one likes to be surprised by their period, but there’s something especially terrible about it when you’re a teen. It’s that familiar sinking feeling: realizing it in the middle of class, ...

Add Yahoo as a preferred source to see more of our stories on Google. Period-tracking apps promise simplicity: a colorful calendar that predicts when your next cycle begins, reminders about ovulation, ...

If you’ve been on social media lately, you might have seen some debate about whether you should delete your period tracker app. While it’s not the first time this discourse has arisen (it took off ...

Less than a week after Flo tweeted about its plans to launch an "anonymous mode" to its period-tracking app, the company revealed the new feature will be available in the coming weeks. Flo said users ...

Many women use period tracker apps to keep track of their menstrual cycles. These apps can feel like a helpful friend, reminding you when your period is due or when you might be most fertile. But ...

I officially began tracking my period via an app one year before my wedding. While my menstrual cycle has never been abnormal, I was trying to predict whether or not I would be bleeding on the one day ...

Meredith Dietz is Lifehacker’s Senior Staff Writer. She earned her bachelor’s degree in English and Communications from Northeastern University, where she graduated as valedictorian of her college.

Since the Supreme Court overturned Roe v. Wade, the security and privacy of reproductive health apps have sparked concerns, researchers wrote in a new study. The study began out of concern that law ...

Several menstrual cycle-tracking mobile apps share sensitive information with Facebook without user consent, a new Privacy International report found. The ...

It’s 2016, and women still don’t feel comfortable talking openly about periods. In fact, one Internet survey captured 5,000 different euphemisms for monthly menstruation that call it everything but a ...