The Only Digital Method of Birth Control Available both in the US and in Europe

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How Does it Work?

The app uses a unique algorithm to analyse fluctuations in a woman’s basal body temperature to identify ovulation and predict fertile days. The app is used by women in combination with a basal thermometer and informs a woman on which days of her cycle she is fertile and recommends her to use protection (e.g. a condom) or abstain from sex during these days.

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Clinical Studies and Research

Natural Cycles is the only digital method of contraception that is CE marked in Europe and cleared by the US FDA. The effectiveness has been demonstrated in a large body of clinical data, that involved over 22,000 women with a combined exposure of more than 200,000 cycles, in which Natural Cycles was shown to be 93% effective with typical use.

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Who is it Suitable for?

Natural Cycles provides women an option for a more ‘natural’ approach to contraception and a way to better understand their body and menstrual and reproductive cycle. Natural Cycles increases contraceptive choice and may provide an effective option for women who are unhappy with their current method of contraception.

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CE Marked in Europe and Cleared by FDA

An EU Notified Body and the United States Food and Drug Administration (FDA) have classified Natural Cycles as a medical device intended for use as contraception. In Europe Natural Cycles is classified as a class IIb medical device and in the US as class II. All manufacturers of medical devices in class IIb in Europe or class II in the US are subject to assessments and audits performed in regular intervals.

Pearl Index

6.9

Typical Use

Based on two clinical studies involving more than 22.000 women

Users

900k

Registered Cyclers

Typical Natural Cycles user is between 25 and 35 years old

Geography

200+

Countries & Territories

Natural Cycles has registered users from over 200 countries and territories.

Satisfaction Rates

4.7/5

In the App Store

Based on the reviews from the users