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Take Control of Your Contraception and Fertility Needs with Natural Cycles:

○ The Top Rated Birth Control and Fertility Partner App in the US & UK
○ The only birth control app cleared by the FDA and CE marked as a medical device
○ Adaptive tracker technology that uses your unique cycle and basal temperature so you know exactly when you're fertile, and what days you can and cannot get pregnant
○ Daily insights into your fertility and personal ovulatory pattern to help with your birth control or natural family planning needs
○ Scientifically proven to be effective: 93% effective with typical use, and 98% effective with perfect use

Natural Cycles places birth control into your own hands.
Natural Cycles is a scientifically-proven birth control option alongside the pill, IUD and the condom. 93% effective with typical use, and 98% effective with perfect use. The scientific study that determined Natural Cycles' effectiveness is one of the largest of its kind, with 15,000 women and 600,000 menstrual cycles. It was peer reviewed and published in the renowned journal Contraception.*

Natural Cycles is more than just a birth control app, the app Natural Cycles also helps users who are trying to conceive with natural family planning.. Natural Cycles can help you plan a pregnancy by tracking your basal body temperature to predict ovulation and tell you when you are most fertile. As you continue to enter your temperature, our algorithm will understand your cycle better and can predict ovulation to tell when you are most fertile.

Measure your body temperature with a basal thermometer and add your data.
Natural Cycles works by users taking their basal body temperature each morning and then adding your data into our app to help us analyze your menstrual calendar. Your temperature changes during your cycle are significant in predicting your fertile window. A basal thermometer is included with our annual subscription or can be bought as an add-on to our monthly subscription.

The app supports syncing with Apple Health.

OUR STORY
Founded by particle physicist, Dr. Elina Berglund, with a goal to offer women an effective, hormone-free method of birth control, Natural Cycles identifies ovulation by analyzing basal body temperature, learning your unique cycle so you can get to know your body better, and know the exact days you can and can't get pregnant.

PRICING PLANS
○ Yearly Plan (Recommended): $89.99/year.
○ Monthly Plan: $9.99/month.
○ A subscription is needed to use the app, and while a free demo is available, we recommend a minimum of 2-3 cycles for Natural Cycles to be most effective.

PRECAUTIONS
○ Natural Cycles does not protect against sexually transmitted infections (STIs). Use a condom to protect against STIs.
○ No method of birth control is 100% effective, even when using the birth control app perfectly you can still have an unintended pregnancy.
○ Natural Cycles is for women over the age of 18.
○ Natural Cycles is only available as a method of birth control in the US and in Europe.
○ To use Natural Cycles, you need to understand English or one of the supported languages.

SUBSCRIPTION INFORMATION (APPLE IN-APP PURCHASE)
Natural Cycles offers in-app purchases, with an Apple ID. The payment will be charged to the user's iTunes Account at confirmation of purchase. The subscription will be automatically renewed unless auto-renewal is canceled at least 24 hours prior to the end of the current subscription period. The account will be charged for this renewal within 24 hours prior to the end of the current subscription period at the monthly or yearly price described above. Subscriptions may be managed and auto-renewal turned off in the iTunes Account Settings. Cancellation of the current subscription is not possible during an active subscription period.

*E. Berglund Scherwitzl et al. “Perfect-use and typical-use Pearl Index of a contraceptive mobile app”, Contraception, Volume 96, Issue 6, 420 - 425.

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Our new logo is designed to reflect the science behind Natural Cycles. We've also updated the names of the modes in the app to make their purpose clearer, and to ensure that you can choose the option that fits your fertility goal best. The way these modes work has not changed. We have also worked really hard to bring you a much improved experience when looking at your data in the graph! Head to the app to check out all these updates!