iPhone App Store: Ovulation Calendar app Tracks fertile days

This application additionally keeps track of events related to your menstrual period, like the menses type, the symptoms, the Body Basal Temperature, etc.
What is it?
Note: For men who wants to learn more about

ovulation please check wikipedea HERE
characteristic list:
Saves up The Ovulation Calendar app [App Store link 4,99US$] computes the fertile days of the month and predicts future periods and ovulation.

[Source] Waku_Waku

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