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Study Finds Dot™ App Highly Effective at Preventing Pregnancy


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Newsletter: January/February

February 28, 2017



It's been a whirlwind of excitement and activity over here at Cycle Technologies HQ. We are thrilled to announce the launch of the Dot Fertility & Period Tracker Android app. Dot is now available on both Android and iOS.  And in related news, the first ever efficacy study on a fertility app has begun as well! Thanks to the hard work of everyone involved. 



Leslie Heyer

In Case You Missed It!



The Dot app is based on Dynamic Optimal Timing™ - a new family planning method developed by Cycle Technologies in collaboration with global health experts. This patent-pending technology identifies a user's personalized daily risk or chance of pregnancy simply by tracking her period start dates. Dot gives women critical and actionable information that empowers them to effectively plan - or prevent - pregnancy completely on their smartphone devices.

First Ever Real-Time Efficacy Study on Fertility App Launched




Researchers at Georgetown University Medical Center’s Institute for Reproductive Health (IRH) announced this month the launch of a year-long study to measure the efficacy of Dot Fertility & Period Tracker, for avoiding unintended pregnancy. This study will allow women to compare the efficacy of the app to other contraceptive methods and is the first time that a fertility app is being tested in a full-scale efficacy trial.



"It's a historical opportunity to advance the science of birth control and family planning. No fertility app has undergone such rigorous testing. Users who join our effort can help make free, effective fertility tools accessible to women throughout the world" says, CT's founder Leslie Heyer.


1200 Dot users will be recruited into the study and followed for one year. Visit to learn more about this study.



In the News!




Check out recent media coverage on the launch of the Dot app, the study, and our ongoing efforts to provide women with innovative contraceptive methods that meet their needs:


"A Revolutionary Study Puts App-only Birth Control to the Test" - Forbes

"Georgetown Study Sets Out to Evaluate Efficacy and Effectiveness of Dot's Pregnancy Prevention App" - MedCity News

"Family Planning App Dot Launches First-of-It's-Kind Efficacy Study" -


Until next time! Pay it forward and pass it on!



Cycle Technologies is a social impact company focused on women's health. Our mission is to prevent unplanned pregnancies and help people have the families they want when they are ready. Products include CycleBeads®TwoDay™, and Dot™.  Connect with us anytime! Follow us on Twitter, like us on Facebook, or drop us a line at





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