Discover the science behind the world’s first birth control app
Regulated medical device
One of the main differences between Natural Cycles and other apps is we are a regulated medical device. Not only do we regularly publish studies on the effectiveness of our product, and undergo regular audits, but we have rigorous processes in place that protect our users and their data.
The study For Our FDA clearance
15,000
Women involved
180,000
Cycles analyzed
93%
Typical Use
98%
Perfect Use
FDA Cleared in the US
We’ve been available as a contraceptive in the U.S. since 2018 when the US FDA Cleared us as a digital birth control method.
Certified in Europe
Natural Cycles is the first CE-marked Class IIb medical device (CE0123) for use as a method of birth control.
Listed in Australia
We’ve been available as a birth control in Australia since 2020 when we were listed with the Australian Register of Therapeutic Goods.
What's the difference between typical and perfect use?
Find out more about the numbers behind our birth control effectiveness and how it compares to other methods on the market.
Our mission
Contributing to women's health is built into our mission at Natural Cycles. We've published peer-reviewed studies and research, not only on the effectiveness of our app, but on women's health more widely.
The research we do
We are proud to work with experts at some of the world’s leading institutions. Our Medical Science Team is constantly carrying out research with the vision to further the field of female health.
Institutions we work with
Are you a healthcare professional?
We work closely with doctors, nurses and midwives. Head over to our healthcare professionals page to find out more about offering Natural Cycles to your patients.