Description Safe Period Calculator

In natural way , you can prevent pregnancy by avoid some dates, without using any medicals .
With -Safe Period Calculator- you can calculate the safe period that you can have sex in it without worrying about pregnancy, all you have to do is enter the day of the first day of your Menstrual cycle, and a calendar will shown, the green days are safe , the red are not!
this app can predictions the women's menstruation period with accurate and reliable.

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