I recommend Natural Cycles to any of my friends or family members who are thinking about getting off of hormonal birth control. i’m even able to educate some of them on when women can and can’t get pregnant. I love Natural Cycles I will never go back to hormonal birth control. Date of experience: 01 November 2023.Natural Cycles Reviews. 1,220 • Excellent. 4.6. VERIFIED COMPANY. www.naturalcycles.com. Visit this website. Write a review. Reviews 4.6. 1,220 total. 5 …#melissawoodhealth #naturalcycles #birthcontrol* LIKE, COMMENT, AND SUBSCRIBE *-----FIND ME ONLINE:★ INSTAGRAM → https://www.in...This review focuses mainly on structural studies of dengue virus. Dengue, Japanese encephalitis, West Nile and yellow fever belong to the Flavivirus genus, which is a member of the Flaviviridae ...The science behind it is fascinating – our hormones cause our body temperature to rise around ovulation, and by tracking this, Natural Cycles can pinpoint where you are in your cycle. Personalized to Your Body. What I love about this method is how it tailors to your unique cycle. It’s not a one-size-fits-all approach.Side note: Natural Cycles also has a great "plan pregnancy" option! Most people get pregnant within 3 cycles using it. (So the app says, and I believe it!) Read more reviews on the App Store. Don't just take it from us, read real reviews from women who have used Natural Cycles for years. Rated 4.8 stars on the app store with thousands of reviews.Natural Cycles Reviews. 1,192 • Excellent. 4.6. VERIFIED COMPANY. www.naturalcycles.com. Visit this website. Write a review. Reviews 4.6. 1,192 total. 5 …#melissawoodhealth #naturalcycles #birthcontrol* LIKE, COMMENT, AND SUBSCRIBE *-----FIND ME ONLINE:★ INSTAGRAM → https://www.in... The app’s education was an amazing starting place that sparked my curiosity to read and learn more about my body. I feel more empowered in my body than ever, and the information, tools, and encouragement Natural Cycles offers has been an important part of that. Date of experience: 27 March 2024. Useful. Share. The app uses the OPKs to pinpoint ovulation to give you more "non-fertile days" after ovulation. So far, before ovulation, it hasn't wanted to give me any non-fertile days except during the first few days of my period. Then it goes into cautious mode and advises me to use protection until a few days after I ovulate.Overview Reviews About. Natural Cycles Reviews 475 • Excellent. 4.3Jan 9, 2024 · Natural Cycles Reviews What customers are saying. Natural Cycles was the first FDA-approved mobile app for understanding women’s fertility windows in order to help with birth control and pregnancy planning. Do you agree with Natural Cycles's 4-star rating? Check out what 951 people have written so far, and share your own experience. | Read 821-840 Reviews out of 911. Do you agree with Natural Cycles's TrustScore? Voice your opinion today and hear what 951 customers have already said. ... Natural Cycles Reviews 951 ...The Natural Cycles app is a downloadable form of digital contraception derived from the symptothermal method, which falls under the umbrella of fertility awareness methods (FAM). Fertility awareness or natural family planning means learning to identify when you are fertile and then avoiding sex or using condoms during that … The world’s first birth control app has partnered with ŌURA. Natural Cycles is certified hormone-free birth control that’s based on body temperature. We’re now working with smart ring innovators, ŌURA, to create a seamless experience for those looking to plan or prevent pregnancy naturally. Does not protect against STIs. Natural Cycles is 93% effective with typical use, 98% effective with perfect use. No method of contraception is 100% effective. Natural Cycles does not guarantee that you cannot get pregnant, it only informs you whether and when you can become pregnant based on the information that you enter into the application. How to activate the Partner view as a partner. Your partner will send you an invitation via email. Once you receive the invitation, click on the link in the email. Next, you will be taken through the steps to set up your account, which will be linked to your partner’s account. You will also be taken through an app tour, so you can better ...Stage 1: innate immune responses. Innate immune cells. M. tuberculosis is transmitted by aerosol, and largely, if not exclusively, inhabits professional phagocytic cells in the lungs, including ...Nature Reviews Microbiology - Transmission cycles, host range, ... EEEV has also been introduced into an alternating-host cycle of both cell types to mimic the natural transmission cycle.The Natural Cycles app, designed by physicist couple Elina Berglund and Raoul Scherwizl, is the world's first to get government approval as a contraceptive. Still, while the app is bolstered by a ...Do you agree with Natural Cycles's 4-star rating? Check out what 1,135 people have written so far, and share your own experience. | Read 121-140 Reviews out of 1,085. Do you agree with Natural Cycles's TrustScore? Voice your opinion today and hear what 1,135 customers have already said. ... Natural Cycles Reviews 1,135 ...I want to share my honest thoughts about Natural Cycles. I was looking for a review like this one before starting my ovulation/cycle tracking journey. I am also sharing my referral code if you would like 20% off and a free digital thermometer. I encountered NC through social media and decided to give it a try. I've been a hormonal birth control ...Sep 5, 2018 · The Natural Cycles app identifies days on which a woman infertile and fertile. These days are determined based on how body temperature changes based on the body’s hormone levels (16). Using your hormone cycle, previous cycles, cycle irregularities, body temperature fluctuations, and sperm survival time, the app makes the symptothermal method ... Do you agree with Natural Cycles's TrustScore? Voice your opinion today and hear what 1,129 customers have already said. Suggested companies. OURA. ouraring.com • 1K reviews. 1.8. flo.health. flo.health • 88 reviews. 3.3. Temu. temu.com • 12K reviews. 3.3. Categories Blog Log in For businesses. For businesses. Log in Categories Blog. The world’s first birth control app has partnered with ŌURA. Natural Cycles is certified hormone-free birth control that’s based on body temperature. We’re now working with smart ring innovators, ŌURA, to create a seamless experience for those looking to plan or prevent pregnancy naturally. Find helpful customer reviews and review ratings for Natural Cycles 12 Month Subscription - Digital Birth Control with Basal Body Thermometer - Fertility Management App- (iOS and Android) - Ovulation Kit at Amazon.com. Read honest and unbiased product reviews from our users. My experience with Natural Cycles and the Fertility Awareness Method. Experience. I posted a couple of months back asking if anyone had used the Natural Cycles app and I had a lot of people say they were interested in it but very few actual experience stories. I’ve used the app for 2 cycles now and here’s how I’m finding it so far.Do you agree with Natural Cycles's 4-star rating? Check out what 633 people have written so far, and share your own experience. | Read 21-40 Reviews out of 608Natural Cycles Reviews. 1,222 • Excellent. 4.6. VERIFIED COMPANY. www.naturalcycles.com. Visit this website. Write a review. Reviews 4.6. 1,222 total. 5 …Natural Cycles Reviews. 1,192 • Excellent. 4.6. VERIFIED COMPANY. www.naturalcycles.com. Visit this website. Write a review. Reviews 4.6. 1,192 total. 5 …Daysy is reported to have an overall accuracy of 99.4% in correctly identifying infertile days vs fertile days. According to Daysy, 81% of couples who are tracking their fertility and timing ...#melissawoodhealth #naturalcycles #birthcontrol* LIKE, COMMENT, AND SUBSCRIBE *-----FIND ME ONLINE:★ INSTAGRAM → https://www.in... Natural Cycles is a game changer. Being able to learn my body’s natural patterns and track all my moods and symptoms has been a game changer. Plus not having to be on hormonal birth control has drastically improved my overall health and well-being Natural. Cycles has empowered me in so many ways. You need a Natural Cycles subscription which currently costs £8.99 per month (if you subscribe monthly) or £59.99 for the year. (FYI Lowdown users get 15% off this here or by using the code LOWDOWN15) You need the Oura Ring which costs around £250 ($299). While Natural Cycles users do receive around a £33 ($40) discount on the …Do you agree with Natural Cycles's TrustScore? Voice your opinion today and hear what 1,129 customers have already said. Suggested companies. OURA. ouraring.com • 1K reviews. 1.8. flo.health. flo.health • 88 reviews. 3.3. Temu. temu.com • 12K reviews. 3.3. Categories Blog Log in For businesses. For businesses. Log in Categories Blog.Natural Cycles is the first, and only FDA cleared birth control app in the United States, and CE marked birth control app in Europe. Powered by a smart algorithm, the app puts the power in the palm of your hand whether your goal is to prevent or plan pregnancy.Do you agree with Natural Cycles's 4-star rating? Check out what 1,222 people have written so far, and share your own experience. | Read 81-100 Reviews out of 1,164. Do you agree with Natural Cycles's TrustScore? Voice your opinion today and hear what 1,222 customers have already said. Natural Cycles is the first, and only FDA cleared birth control app in the United States, and CE marked birth control app in Europe. Powered by a smart algorithm, the app puts the power in the palm of your hand whether your goal is to prevent or plan pregnancy. Natural Cycles. Introducing the first-ever digital birth control cleared by the FDA! It’s 93% effective with typical use, 98% effective with perfect use, and ideal for anyone looking for an effective and healthy alternative. 16K ratings in the App store 4.8 out of 5. Download now. Natural Cycles. Natural Cycles is the first FDA-cleared birth control app and I have been loving my experience and it’s functionality. It’s very intuitive and user-friendly, plus has tons of information without feeling overwhelming. It’s as effective as the birth control pill with typical use at 93% and with perfect use the effectiveness is 98%.Replied to 97% of negative reviews. Replies to negative reviews in < 1 week. Advertisement. Information written by the company. Natural Cycles is the first, and only FDA cleared birth control app in the United States, and … Natural Cycles Do you agree with Natural Cycles's 4-star rating? Check out what 612 people have written so far, and share your own experience. | Read 341-360 Reviews out of 587. Do you agree with Natural Cycles's TrustScore? Voice your opinion today and hear what 612 customers have already said. ... Natural Cycles Reviews 612 ...The Oura Ring Generation 3 is a great sleep tracker, but its best features aren’t ready yet. In 2020, it seemed like the Oura Ring was everywhere. Researchers were studying whether the smart ... Natural Cycles is a hormone-free birth control app that uses your temperature to track your cycle and fertility. Learn more and sign up today. Too risky. Trying to time your cycle has a 3% failure rate with PERFECT use and an 84% failure rate with imperfect use. On average, a quarter of the women trying to use the ovulation method (which is what this app is for) get pregnant within the first year. So personally, I would find that wayyyyy too risky.Stage 1: innate immune responses. Innate immune cells. M. tuberculosis is transmitted by aerosol, and largely, if not exclusively, inhabits professional phagocytic cells in the lungs, including ...Natural Cycles has an overall rating of 3.9 out of 5, based on over 31 reviews left anonymously by employees. 72% of employees would recommend working at Natural Cycles to a friend and 65% have a positive outlook for the business. This rating has improved by 4% over the last 12 months. 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. Natural Cycles is a game changer. Being able to learn my body’s natural patterns and track all my moods and symptoms has been a game changer. Plus not having to be on hormonal birth control has drastically improved my overall health and well-being Natural. Cycles has empowered me in so many ways. Do you agree with Natural Cycles's 4-star rating? Check out what 1,224 people have written so far, and share your own experience. Do you agree with Natural Cycles's TrustScore? ... OURA. ouraring.com • 1.1K reviews. …A big part of my review of Natural Cycles is helping you understand whether it actually works as a form of natural contraception, and how. Because if it doesn’t, I wouldn’t want you to use it either! As reported on their website, Natural Cycles is 93% effective with typical use and 98% effective with perfect use.Natural Cycles is an FDA-cleared smartphone app that helps people track fertility to plan or prevent pregnancy. According to the company, this app is 98% …The Natural Cycles app is considered a medical device, not a drug, so the FDA didn’t review it in the same way it reviews a hormonal birth control pill.I want to share my honest thoughts about Natural Cycles. I was looking for a review like this one before starting my ovulation/cycle tracking journey. I am also sharing my referral code if you would like 20% off and a free digital thermometer. I encountered NC through social media and decided to give it a try. I've been a hormonal birth control ...Don't just take it from us, read real reviews from women who have used Natural Cycles for years. Rated 4.8 stars on the app store with thousands of reviews.Jan 9, 2024 · Natural Cycles Reviews What customers are saying. Natural Cycles was the first FDA-approved mobile app for understanding women’s fertility windows in order to help with birth control and pregnancy planning. Natural Cycles is an FDA-cleared smartphone app that helps people track fertility to plan or prevent pregnancy. According to the company, this app is 98% …The Natural Cycles app knows me better than I know myself! My cycle is pretty regular, but it can get thrown off a bit if I’m traveling, moving, or experiencing anything else particularly stressful. The algorithm has been able to notice any irregularities in my temperature curves and the predictions of my ovulation dates and cycle lengths ...It would be fair to say that there's a lot of opinion out there on digital birth control app Natural Cycles, which recently received FDA approval to launch 'wearable' contraceptives.. The platform, which itself has had FDA approval since 2018, works by users taking their temperature daily and inputting their results into the app - determining …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 …Natural Cycles. Introducing the first-ever digital birth control cleared by the FDA! It’s 93% effective with typical use, 98% effective with perfect use, and ideal for anyone looking for …Do you agree with Natural Cycles's 4-star rating? Check out what 590 people have written so far, and share your own experience. | Read 441-460 Reviews out of 564. Do you agree with Natural Cycles's TrustScore? Voice your opinion today and hear what 590 customers have already said. ... Natural Cycles Reviews 590 ...So let’s get into how the app works and what makes it so amazing. Natural Cycles is a temperature-based contraception method that really stands out for its hormone-free nature and its total lack of side effects. Unlike other traditional birth control methods that often involve taking pills or using devices, Natural Cycles uses the power of your …Jan 19, 2018 · Last September, Natural Cycles was the focus of a major study on natural contraceptive methods. The study followed 22,785 women through a total of 224,563 menstrual cycles and found that the app ... The thermometers store at least ten days’ worth of temperature data. Of course, we always encourage you to sync and check the NC° app every day so you can get your up-to-date fertility status. 3. Say goodbye to the beep. We know that some users find that a noisy thermometer can be a pain in the beep.Do you agree with Natural Cycles's 4-star rating? Check out what 1,073 people have written so far, and share your own experience. | Read 661-680 Reviews out of 1,029. Do you agree with Natural Cycles's TrustScore? Voice your opinion today and hear what 1,073 customers have already said. ... Natural Cycles Reviews 1,073 ...The Natural Cycles app is a downloadable form of digital contraception derived from the symptothermal method, which falls under the umbrella of fertility awareness methods (FAM). Fertility awareness or natural family planning means learning to identify when you are fertile and then avoiding sex or using condoms during that …Natural Cycles has a tiered status system in which you can reach a new status based on achievements like calibrating your thermometer, measuring consistently, taking LH tests and more. Given my competitive nature, it was my life’s mission to reach Star Cycler Status and become an Ambassador – so now I get the app free for life which …I’ve tried 3 or 4 hormonal methods over the years, and always ended up feeling sick, nauseous, my sleep/wake cycle reversed, my anxiety went from moderate (normal for me) to extreme, extremely painful headaches, fainting. I’m grateful for Natural Cycles; the only concern i have is that you’re forced to have either an iPhone or Android.Apr 15, 2024 · PRICING PLANS: Annual subscription (and FREE NC° Thermometer): $119.99/year Monthly subscription: $14.99/month We recommend a minimum of 2-3 cycles to get the most out of your Natural Cycles subscription. Our subscription fee helps to protect you and your data. Many free apps work by selling their users’ data to third parties for advertising. Natural Cycles’ recent integration with Apple Watch means that measuring just got even smoother, but don’t just take it from us. Hear firsthand from some of our most dedicated users what they like most about using Natural Cycles with their Apple Watch, including building better habits, getting more sleep, and improving morning routines for …Replied to 97% of negative reviews. Replies to negative reviews in < 1 week. Advertisement. Information written by the company. Natural Cycles is the first, and only FDA cleared birth control app in the United States, and …The Natural Cycles app is considered a medical device, not a drug, so the FDA didn’t review it in the same way it reviews a hormonal birth control pill.Natural Cycles Reviews. 1,222 • Excellent. 4.6. VERIFIED COMPANY. www.naturalcycles.com. Visit this website. Write a review. Reviews 4.6. 1,222 total. 5 …I recommend Natural Cycles to any of my friends or family members who are thinking about getting off of hormonal birth control. i’m even able to educate some of them on when women can and can’t get pregnant. I love Natural Cycles I will never go back to hormonal birth control. Date of experience: 01 November 2023.Natural Cycles is an app powered by an algorithm that determines your fertility status based on body temperature. Just measure, add your temperature to the app, and let our algorithm do the work. As birth control, Natural Cycles is 93% effective with typical use and 98% effective with perfect use, and it is effective from the first day of use.Do you agree with Natural Cycles's 4-star rating? Check out what 1,162 people have written so far, and share your own experience. | Read 1,021-1,040 Reviews out of 1,110Side note: Natural Cycles also has a great "plan pregnancy" option! Most people get pregnant within 3 cycles using it. (So the app says, and I believe it!) Read more reviews on the App Store. Don't just take it from us, read real reviews from women who have used Natural Cycles for years. Rated 4.8 stars on the app store with thousands of reviews. Natural Cycles. Introducing the first-ever digital birth control cleared by the FDA! It’s 93% effective with typical use, 98% effective with perfect use, and ideal for anyone looking for an effective and healthy alternative. 16K ratings in the App store 4.8 out of 5. Download now. Do you agree with Natural Cycles's 4-star rating? Check out what 1,214 people have written so far, and share your own experience. | Read 1,081-1,100 Reviews out of 1,156 Widespread use of salts in food, construction, road deicing and industry is driving salinization of water, soil and air. This Review describes the anthropogenic salt cycle, compares it with ...Natural Cycles. Introducing the first-ever digital birth control cleared by the FDA! It’s 93% effective with typical use, 98% effective with perfect use, and ideal for anyone looking for an effective and healthy alternative. 16K ratings in the App store 4.8 out of 5 ...Natural Cycles is just as effective if you have irregular menstrual cycles (i.e. cycles lasting fewer than 21 days or greater than 35 days in length). If your cycle is very irregular, Natural Cycles may be less suitable for you, as you may be given more Red Days (these are a safety buffer since ovulation days can change with irregular cycles).Do you agree with Natural Cycles's TrustScore? Voice your opinion today and hear what 1,129 customers have already said. Suggested companies. OURA. ouraring.com • 1K reviews. 1.8. flo.health. flo.health • 88 reviews. 3.3. Temu. temu.com • 12K reviews. 3.3. Categories Blog Log in For businesses. For businesses. Log in Categories Blog.PRICING PLANS: Annual subscription (and FREE NC° Thermometer): $119.99/year Monthly subscription: $14.99/month We recommend a minimum of 2-3 cycles to get the most out of your … The app uses the OPKs to pinpoint ovulation to give you more "non-fertile days" after ovulation. So far, before ovulation, it hasn't wanted to give me any non-fertile days except during the first few days of my period. Then it goes into cautious mode and advises me to use protection until a few days after I ovulate. Enable javascript to use this application6 Common Leadership Styles — and How to Decide Which to Use When. by. Rebecca Knight. April 09, 2024. Carol Yepes/Getty Images. Summary. Research … Natural Cycles is a game changer. Being able to learn my body’s natural patterns and track all my moods and symptoms has been a game changer. Plus not having to be on hormonal birth control has drastically improved my overall health and well-being Natural. Cycles has empowered me in so many ways. Natural Cycles - reviews of the mobile app for women's health monitoring, pregnancy planning, ... Natural Cycles is a mobile app for women that helps them control their cycle, monitor their fertility and plan for pregnancy. Discounts … Find helpful customer reviews and review ratings for Natural Cycles 12 Month Subscription - Digital Birth Control with Basal Body Thermometer - Fertility Management App- (iOS and Android) - Ovulation Kit at Amazon.com. Read honest and unbiased product reviews from our users.
Natural Cycles is a game changer. Being able to learn my body’s natural patterns and track all my moods and symptoms has been a game changer. Plus not having to be on hormonal birth control has drastically improved my overall health and well-being Natural. Cycles has empowered me in so many ways.. Marine traffic
Nature Reviews Microbiology 16 , 261 ( 2018) Cite this article. Microorganisms perform key functions in the global sulfur cycle, such as sulfate reduction and the synthesis of organic sulfur ...Daysy is reported to have an overall accuracy of 99.4% in correctly identifying infertile days vs fertile days. According to Daysy, 81% of couples who are tracking their fertility and timing ...The short answer: 93% effective with typical use and 98% effective with perfect use, i.e. the same as if used with a basal thermometer. Likewise, the fraction of green days is comparable when using Oura Ring or the oral thermometer. This was shown in the clinical study that we conducted and was further validated by the FDA after reviewing our data.Nature Reviews Microbiology 16 , 261 ( 2018) Cite this article. Microorganisms perform key functions in the global sulfur cycle, such as sulfate reduction and the synthesis of organic sulfur ...Oura Integrates With FDA-Cleared Birth Control App, Natural Cycles°. Author: Oura Team September 20, 2023. A game-changer for people looking to plan or prevent pregnancy, Oura is compatible with Natural Cycles, the first FDA-cleared birth control app. The Natural Cycles (NC°) app works by analyzing body temperature and other key …Natural Cycles is a hormone-free birth control method that uses a thermometer in conjunction with a mobile app to evaluate a woman’s unique cycle and identify her fertility status. Launched in 2013 as an early fertility tool by particle physicists Elina Berglund and her now-husband Raoul Scherwitzl, it is the only FDA and CE-certified digital …Do you agree with Natural Cycles's 4-star rating? Check out what 976 people have written so far, and share your own experience. | Read 301-320 Reviews out of 936. Do you agree with Natural Cycles's TrustScore? Voice your opinion today and hear what 976 customers have already said. ... Natural Cycles Reviews 976 ...Data from four studies, which included a total of 96,996 and 704 singleton live births after stimulated IVF and natural or modified natural cycle IVF, were included in the meta-analysis. The risk of PTB (RR 1.27, 95% CI 1.03 to 1.58) and LBW (RR 1.95, 95% CI 1.03 to 3.67) were significantly higher after stimulated compared with natural or ...Natural Cycles is the world’s first wearable birth control app that uses temperature data from devices like the Oura smart ring to predict ovulation and prevent …Natural Cycles is a hormone-free birth control app that uses your temperature to track your cycle and fertility. Learn more and sign up today.I started using Natural Cycles in April, when I started out it was mostly red days but as time has passed and I've been more consistent with it I have had better results. I now have 3 weeks of green days every month. It really helps to use ovulation tests on the days they recommend you to. I feel like the results are very consistent and the app ...Nature Reviews Microbiology 16 , 261 ( 2018) Cite this article. Microorganisms perform key functions in the global sulfur cycle, such as sulfate reduction and the synthesis of organic sulfur ...6 Common Leadership Styles — and How to Decide Which to Use When. by. Rebecca Knight. April 09, 2024. Carol Yepes/Getty Images. Summary. Research …Do you agree with Natural Cycles's 4-star rating? Check out what 1,222 people have written so far, and share your own experience. | Read 81-100 Reviews out of 1,164. Do you agree with Natural Cycles's TrustScore? Voice your opinion today and hear what 1,222 customers have already said.Does not protect against STIs. Natural Cycles is 93% effective with typical use, 98% effective with perfect use. No method of contraception is 100% effective. Natural Cycles does not guarantee that you cannot get pregnant, it only informs you whether and when you can become pregnant based on the information that you enter into the application.About Natural Cycles. NaturalCycles was founded by husband and wife, Elina Berglund and Raoul Scherwitzl. ... From video web series and travel articles, to product reviews and healthy, vegan and gluten free recipes, you'll find lots of info for a happier, healthier and greener lifestyle! After all, Life is a voyage, live it well! Follow The ...Natural Cycles will provide personally identifying data in response to a third-party inquiry only if required by a valid legal process but will take all possible steps to keep your data private. You can learn more about the steps we will take to keep your data private in our privacy policy (section 6.5). Acting in your best interest may mean ...Don't just take it from us, read real reviews from women who have used Natural Cycles for years. Rated 4.8 stars on the app store with thousands of reviews.Natural Cycles is an app powered by an algorithm that determines your fertility status based on body temperature. Just measure, add your temperature to the app, and let our algorithm do the work. As birth control, Natural Cycles is 93% effective with typical use and 98% effective with perfect use, and it is effective from the first day of use. Natural Cycles was inaccurate and not reliable to use for me as birth control. I want to warn people who really don't want to get pregnant or aren't in a position where it would be a good thing for them. This is not the same as birth control at all. I was on birth control for 5 years with zero issues ever. Natural Cycles. Natural Cycles is the first FDA-cleared birth control app and I have been loving my experience and it’s functionality. It’s very intuitive and user-friendly, plus has tons of information without feeling overwhelming. It’s as effective as the birth control pill with typical use at 93% and with perfect use the effectiveness is 98%..