Flo is the most downloaded women’s health app. Here is an in-depth review of how Flo works and how it compares to other period tracking apps. Plus, our tester gives us an insider look. Share on ...

As many as 50 million people now have a record of their menstrual cycle on their personal devices. But how much should we rely on our period tracker for reliable and accurate information about ...

Tracking your period can be a useful tool for understanding your menstrual cycle, knowing when you're most fertile, and noting irregularities that could indicate a serious underlying condition. Since ...