Cycle Technologies announced the launch of Dot, a period-tracking and fertility app to evaluate a woman’s risk of pregnancy for each day of her cycle.

The Dot app utilizes the patent-pending Dynamic Optimal Timing (DOT) approach that uses a woman’s period start date to identify pregnancy risk for each day of the menstrual cycle. It is currently the only period-tracking app that can be used for pregnancy prevention, as well as pregnancy planning, regardless of cycle length.

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Dot works for almost all women with cycles between 20–40 days. The app is now available as a free download in iTunes and will be available for Android users later this year.

For more information visit DotTheApp.com.