How to Use Clue

How to keep Clue’s predictions accurate

Make your predictions more accurate by excluding atypical cycles caused by things like pregnancy, miscarriage, abortion, or emergency contraception

Does the Clue app tell you that your last cycle was 300 days long? Or does your last cycle look like it only lasted two weeks? You know your usual cycles aren’t this long or short, so what’s going on? Let us explain. 

Pregnancy, miscarriage, use of emergency contraception, abortion, or using hormonal birth control to skip periods can lead you to see menstrual cycles that are much longer or shorter than what is typical for you. While these cycles are likely not representative of your usual cycle lengths, they can affect Clue’s calculations of your future cycle predictions. 

To get your predictions back on track, we have an option in the app that allows you to log an atypical cycle so that it’s excluded from Clue’s calculations. By excluding a cycle, your atypical cycle length won’t be used in calculating your upcoming cycle predictions. We’re also working on creating more tracking options for experiences that can affect your cycles. We understand that you may not want to erase your experience from your app history, so you can add a personalized note to the cycle to keep a log of why you decided to exclude it from Clue’s calculations.

Here’s how:

To log an atypical cycle in Clue, simply tap “Analysis” in the bottom navigation bar, scroll down to “Your cycle history “ and tap on the cycle you want to exclude from Clue’s calculations. Toggle “Exclude this cycle from Clue’s calculations” on and add an optional note about why you excluded the cycle. This could be helpful when reviewing past cycles or if you wish to share information about your cycle with your healthcare provider. 

Download Clue to track the patterns in your cycle. 

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