A more basic charting too, the FemiCycle app ($3) predicts peak fertility days based on menstrual history. The easy-to-read color-coded calendar gives couples a four-day window for intercourse.
A more basic charting too, the FemiCycle app ($3) predicts peak fertility days based on menstrual history. The easy-to-read color-coded calendar gives couples a four-day window for intercourse.
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