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There are six days in every cycle...

...when a woman can get pregnant: five days before ovulation and on the day she ovulates.

In order not to become pregnant in this relatively short period of time, many women accept day in, day out considerable impairments of their well-being, they put a heavy strain on their health and their sex life with contraceptive measures.


Our high-performance fertility computer determines your fertile days and shows you when you are ovulating by recording, analyzing and storing your menstrual cycle data. This new generation fertility awareness method is 99.3% reliable.

All our fertility monitors are very easy to use. When you receive your device, the computer is already pre-programmed to display the time, date and year. All you have to do before you begin is set the time you want the alarm to go off in the morning.

In the medical field, the Pearl Index is used to report the effectiveness of a certain birth control method. As an example: if 100 women use a particular birth control method for one year and one woman becomes pregnant, the Pearl Index of this method is 1.0. Birth control pills have a Pearl Index between 0.1 and 0.9, diaphragms range from 1 to 3.



  1. Take your temperature (BBT) every morning immediately after you wake up - while still lying down and relaxing - by placing the thermometer sensor under your tongue for 30 to 60 seconds. The fertility computer needs this so-called wake-up or basal body temperature for its calculations.
  2. If you are menstruating press the key. Otherwise, press .
  3. Based on extensive data collected during more than 25 years of research and development and your daily body temperature the computer uses a bio-mathematical projection method to calculate your individual cycle and provide you with a reliable fertility forecast for the next 24 hours.
    means “infertile”
    means “fertile”
    means that the computer is still in its learning phase


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