Daysy uses a proven algorithm and the morning measurement of your basal
body temperature to calculate the daily menstrual cycle status in real
time. Just measure your temperature under your tongue in the morning and
then Daysy will display if you are in your fertile phase or not using
red or green indicator lights.
temperature method used by Daysy is one of the most reliable methods in
the world for fertility tracking. In addition, Daysy records your
menstrual cycle and ovulation history and DaysyView displays your past
and present cycle data. It is hardly easier to become aware of your
body. Daysy is a medical device and lifestyle fertility tracker.
Daysy allows every woman who wants a health-conscious lifestyle to
monitor her individual monthly cycle and determine her fertile and
infertile days in natural harmony with her body.