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There are thousands of menstrual cycle tracking apps on the market. But most are not tested, and very few are designed to prevent pregnancy. The study to assess the efficacy of the Dynamic Optimal Timing™ (Dot) App is the first of its kind to be conducted on an app-based family planning method. Theoretical efficacy of the Dot app has been statistically tested and validated. An efficacy trial will identify how women are actually using the method – how they interpret and act upon the the messages and information they receive about their fertility.

This fact sheet explains the design of the Dot study, how women participate, and what we have learned in the study thus far.

 

Updated: February 2018