Ovulation calendar online - Calculate your periods and find out when you are most likely to get pregnant!
Eve by Glow - A savvy sex & health app for women
IOvulation Calculator - Ovulation calculator predicts your ovulation date, fertility window, next period, intercourse window, safe period, and due date based upon your menstrual cycle.
Periodic Calendar - What is Periodic Calendar?
ovulation-calendar.net - Our free Ovulation Calendar helps you predict your most fertile time of the month (ovulation) so...
Cycle - (taken from the man pages) DESCRIPTION