Want to prevent pregnancy without hormones? NaturalCycles is 99.9% safe and 100% natural. We track your period, find the ovulation day for you, predict your fertile days and provide you with a menstrual/fertility calendar. It's the perfect natural contraception!
NaturalCycles is the modern birth control method - 99.9% safe and 100% natural.
This is how it works: you wake up in the morning, measure your temperature in your mouth and enter it into this app. NaturalCycles will return you a red or a green day depending on whether there is a risk of pregnancy or not.
A green day is 99.9% safe. During red days, NaturalCycles recommends the use of condoms.
You can optionally combine your basal body temperature data (BBT) with ovulation test results (OPKs) - NaturalCycles tells you which days to take an ovulation test, for optimized usage. NaturalCycles has been scientifically tested and shown to be highly effective at determining and predicting ovulation and hence the fertile window. With NaturalCycles there is no room for the human error. You measure, we analyze and you enjoy hormone-free birth control!
You can also use NaturalCycles if you want to get pregnant. With NaturalCycles Plan, you can simply get pregnant when you want to - no more trying! NaturalCycles isolates your most fertile days in your cycle and detects ovulation. Once pregnant, NaturalCycles monitors your pregnancy and follows your baby’s development.
Choose in your profile settings NaturalCycles Prevent if you want to prevent pregnancies and NaturalCycles Plan if you want to plan a pregnancy and are trying to conceive (TTC). NaturalCycles Prevent and NaturalCycles Plan are fully compatible and allow you to switch from one to the other, profiting from your previously recorded data.
- Safe, hormone-free & easy-to-use birth control
- Green & red days indicating your fertility state
- Intuitive and quick data entry
- Interactive calendar showing your current and upcoming fertility status
- Personalized and reliable fertility predictions up to 5 cycles in advance
- Informative and interactive graph view
- Statistics from your cycles and fertility
- Scientifically developed and tested algorithm
Extra features for NaturalCycles Plan include:
- Personal fertility scale to pinpoint the optimal days to conceive
- Pregnancy tracker
- Information about your baby’s development, including videos
Note: NaturalCycles is aimed for women in stable relationships. If you are single, you can still use NaturalCycles for your personal health information. NaturalCycles recommends however to use condoms regardless of the color of the day as you need to protect yourself from sexually transmitted diseases.
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- Better ovulation detection
- Prettier notification messages
- The app is now clinically tested and the European Journal of Contraception is soon publishing our studies