lFigure 6 : Menstrual cycle and the fertile phase
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*Phase 1 : Menstruation phase – 1st to 5th day
*Phase 2 : Repair phase – 6th to 11th day
*Phase 3 : Fertile phase or ovulation phase – 12th to 16th day
*Phase 4 : Premenstrual phase – 17th to 28th day