Introduction of Natural Cycles
Natural Cycles is a science-based, hormone-free birth control and fertility tracking app that helps women take control of their reproductive health. It was the first digital birth control method to be certified in Europe and cleared by the U.S. FDA, offering a modern alternative to hormonal contraception.
What Is Natural Cycles?
Natural Cycles is a mobile app designed to track your menstrual cycle and predict fertile and non-fertile days using your basal body temperature (BBT) and optional wearable data. It’s used by women both as a natural birth control method and as a tool for trying to conceive.
The app uses a smart algorithm that learns your unique cycle and adapts over time, making it more accurate the more you use it. It is the only birth control app with FDA clearance, giving it a trusted edge over many competitors.

The #1 FDA Cleared birth control & fertility app
How Does Natural Cycles Work?
To use Natural Cycles, users measure their BBT every morning using a basal thermometer or sync data from a compatible wearable device like the Oura Ring. The app then analyzes this data to indicate whether you are in a fertile window (red day) or not (green day).
- Green days = not fertile (safe to have unprotected sex)
- Red days = fertile (use protection or abstain)
The app takes into account various factors, including previous cycle data, ovulation patterns, and irregularities, to offer personalized and reliable results.

Who Is Natural Cycles For?
Natural Cycles is ideal for:
- Women looking for a non-hormonal birth control option
- Individuals trying to track fertility for conception
- Anyone seeking a natural, science-backed way to understand their menstrual cycle
It’s important to note that the app works best for women with regular cycles who are committed to consistent data tracking.
Is Natural Cycles Safe?
Yes. Natural Cycles is:
- FDA-cleared in the U.S.
- CE-marked in Europe as a Class IIb medical device
- Backed by peer-reviewed scientific studies demonstrating its effectiveness
When used perfectly, the app has a 98% effectiveness rate as a contraceptive. With typical use, the effectiveness is about 93%, which is comparable to many traditional forms of birth control.
FDA Approval and Certification
One of the key factors that sets Natural Cycles apart from other fertility and birth control apps is its regulatory status. In August 2018, Natural Cycles became the first birth control app to be cleared by the U.S. Food and Drug Administration (FDA) as a Class II medical device. This clearance allows it to be marketed as a method of contraception in the United States.
In Europe, Natural Cycles is certified under the CE marking as a medical device, which means it meets the safety and performance standards required for products sold in the European Economic Area. These certifications give users confidence that Natural Cycles has been evaluated by independent health authorities for safety and effectiveness.
To earn FDA clearance, Natural Cycles submitted clinical data demonstrating its effectiveness as a hormone-free birth control method. According to the studies provided, the app has a typical use effectiveness rate of 93%, and a perfect use effectiveness rate of 98%, making it a competitive option among non-hormonal methods.
In short, Natural Cycles is not just a period tracker—it is a certified contraceptive method, which sets it apart from most fertility tracking apps that lack regulatory approval.

Hormone-Free vs. Hormonal Birth Control Options
When exploring birth control, one of the most important decisions you’ll face is choosing between hormonal and hormone-free methods. Each option comes with its own benefits and potential drawbacks, depending on your health, lifestyle, and personal preferences.
What Are Hormonal Birth Control Options?
Hormonal birth control includes methods like:
- Birth control pills
- Hormonal IUDs (e.g., Mirena, Kyleena)
- Contraceptive patches
- Vaginal rings (e.g., NuvaRing)
- Hormone injections (e.g., Depo-Provera)
These methods work by releasing synthetic hormones (estrogen and/or progestin) to prevent ovulation, thin the uterine lining, and thicken cervical mucus. While effective, some people experience side effects such as mood swings, weight changes, headaches, or decreased libido.
What Are Hormone-Free Birth Control Options?
Hormone-free options do not rely on synthetic hormones and include:
- Copper IUD (e.g., Paragard)
- Male and female condoms
- Diaphragms and cervical caps
- Fertility awareness methods (FAM)
- The Natural Cycles app
Natural Cycles is a certified hormone-free digital birth control method. It uses daily body temperature readings and an advanced algorithm to identify fertile and non-fertile days. Unlike traditional FAM, Natural Cycles uses data-driven insights for improved accuracy and is FDA-cleared for use as birth control.
Why Choose Hormone-Free?
Many people are turning to hormone-free options like Natural Cycles because they:
- Avoid hormone-related side effects
- Offer more natural body awareness
- Support fertility tracking for conception planning
- Align with lifestyle or health considerations (e.g., migraines, breastfeeding)
Which Is Right for You?
If you value convenience and are comfortable with hormonal methods, options like the pill or IUD might be suitable. But if you’re looking for a hormone-free, science-backed alternative, Natural Cycles offers a modern solution that puts you in control—without synthetic hormones.
Extra Savings with Natural Cycles Special Discounts
Looking to save on your subscription to Natural Cycles? You’re in the right place. Whether you’re considering switching to hormone-free birth control or simply want a smarter way to track your cycle, Natural Cycles special discounts can help you get started at a lower cost.
What Is Natural Cycles?
Natural Cycles is a digital birth control and fertility tracking app that uses body temperature and a smart algorithm to identify your fertile and non-fertile days. It’s FDA-cleared, hormone-free, and ideal for women who want to avoid traditional contraceptive methods or are trying to conceive.
How to Get Extra Savings on Natural Cycles
Here are the best ways to take advantage of Natural Cycles special discounts:

1. First-Time User Discounts
Natural Cycles often offers exclusive deals for new users. These can include:
- Up to 20% off your first subscription
- A free basal thermometer with select plans
- 30-day trial offers
Always check the official website or trusted partners before signing up to see current promotions.
2. Student Discounts
If you’re a student, you’re in luck. Natural Cycles partners with student discount platforms like UNiDAYS or Student Beans to offer verified users significant savings—sometimes up to 50% off.
3. Referral Program
Natural Cycles has a referral program where current users can invite friends. Both you and your friend get a discount—usually a percentage off your next renewal or a free month of service.
4. Seasonal Sales and Holiday Deals
Watch out for Black Friday, Cyber Monday, and New Year promotions. These are some of the best times to score special discounts on the Natural Cycles app and subscription plans.
5. Bundle Offers
Some subscription options include bundles with the Natural Cycles thermometer or integration with wearables like the Oura Ring. These bundles often come at a reduced rate, helping you save more in the long run.
Where to Find Current Natural Cycles Deals
For the most accurate and up-to-date promotions, always check:
- NaturalCycles.com
- Their newsletter (signing up often gives you an instant discount code)
- Social media channels like Instagram or Facebook
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