Natural Cycle intro
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Guidance for healthcare professionals
The non-hormonal, FDA Cleared birth control app
Explore the software application for contraception that’s clinically proven & backed by science.
Clinical effectiveness
NC° Birth Control’s effectiveness and safety has been demonstrated across 10 peer-reviewed clinical studies, including one of the largest analyses of its kind. The real life effectiveness of the method remains inline with published rates.
NC° Birth Control Pearl Index
7 out of 100 became pregnant within one year
5 from incorrect use (unprotected intercourse on fertile days)
2 despite perfect use
of which 0.5 from app incorrectly identifying a non-fertile day
How NC° Birth Control works
The AI-enhanced algorithm behind the app confirms each user’s daily fertility status by analyzing temperature data, menstrual data & optional LH tests. To prevent pregnancy, users agree to abstain or use protection on fertile days.

See how it works
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How biometric data is collected
Data auto-syncs to the Natural Cycles app

Patient eligibility
NC° Birth Control may be a good option for those seeking a non-hormonal, non-invasive birth control method.
NC° Birth Control is suitable for those who:
- Are 18 years or older
- Agree to use protection or abstain on fertile days
- Cannot tolerate hormonal contraception
- Currently use a period tracker or less effective method
Comparison of contraceptive effectiveness data
NC° Birth Control is more effective than calendar-based FABMs and is in the same effectiveness category as the pill.
Percentage of typical/perfect users who did not get pregnant with the method over one year of use. Reference: Contraceptive Technology (Table 5-2). 22nd Edition, 2023
Insurance coverage
Natural Cycles is the first FDA Cleared software application for contraception. It’s covered by most major commercial health plans in the US.
What’s covered?
When the application is used as birth control with an annual subscription, there are $0 out-of-pocket costs when obtained with a prescription. A Bluetooth thermometer is included.
How patients get reimbursed
Patient checks their plan’s reimbursement benefits
Doctor completes prescription form, if needed
Patient submits receipt for reimbursement after purchase
Advanced data protection
As a regulated medical device, the Natural Cycles app is designed to comply with FDA cybersecurity requirements, and uses advanced security protocols to protect data privacy.
Identity protection with Go Anonymous
In this optional mode, personal identifying information is separated from fertility data. This means that no one — not even Natural Cycles — can link a user to their data.
How users are protected
Comprehensive privacy protection program
Pseudonymization & encryption practices
The option to use the app anonymously
Meet the NC° Medical Advisory Board
Access educational resources
Backed by research







Common questions
Get in touch with a medical expert
Contact us about potential partnerships or research collaborations, to get more information, or to access a demo.
