Fertility tracker Daysy®

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Daysy - Love Your Body!

Daysy is a medical device and lifestyle fertility tracker. It allows women, with the desire for a health-conscious lifestyle, to monitor their individual menstrual cycle and determine their fertile and infertile phases in natural harmony with their body. It is a reliable and scientifically supported method of fertility and menstrual tracking based on a sensitive basal body temperature measurement and using an intelligent algorithm. This sophisticated technology means that Daysy offers you the highest quality, reliability and precision when it comes to fertility tracking.

The optional combination with the DaysyDay app for smartphones provides deeper insight and higher user engagement.


Details and Special Features

  • Wireless connection via Bluetooth
  • Daily and weekly fertility status
  • Temperature curves, statistics, and menstrual cycle calendar
  • Prognosis for the upcoming days and weeks
  • Personal notes and notifications
  • Option to share menstrual cycle details directly with a partner or doctor

Daysy has an App: DaysyDay

Daysy is compatible with a smartphone via the DaysyDay app. The app allows the user to digitally enhance the knowledge of her menstrual cycle and body. DaysyDay also makes sharing this information with her partner or doctor quick and easy.

     Daysy Fertility Tracker for determining Your Fertile Days | for Pregnancy Planning & Monitoring Your Cycle | with Bluetooth & Free app. 

    Features in the app:

    • M calendar for 2 months;
    • Ability to see all measurements in the form of a calendar or graphs;
    • Statistics data;
    • Sending data to csv, excel file;
    • Sending fertility status to a partner;
    • Unlimited taking of personal notes;
    • Setting an alarm;
    • Metric scale selection (kg, cm or ft, in, lb);
    • Choice of the first day of the week;
    • Possibility to create a password;
    • Possibility to turn on planning functions, obtaining a child's sex predictions;
    • Confirmation of 2 stages of pregnancy - on the 15th and 18th day after ovulation;

    Technical data

    • Color: white
    • Dimensions H/W/D: 13/2.2/4.8 cm
    • Weight: 38 g
    • Material: PC / ABS
    • Bioconformity: EN ISO 10993-1
    • Battery: LiPo 3.7 V

    Package bundle

    • Daysy Fertility Tracker
    • Charging Cable
    • Quick Guide
    • Instructions for Use


    Daysy quick quide (all languages)

    Daysy instructions for use (all languages)

    The Daysy Guide To Your Hormones

    Daysy lietošanas instrukcija (latviski)