Ovulation calendar online - Calculate your periods and find out when you are most likely to get pregnant!
Period Tracker - Period Tracker, the easiest way to track your periods!
Cycle - (taken from the man pages) DESCRIPTION
Eve by Glow - A savvy sex & health app for women
Ovulation Calculator - Ovulation Calculator, Fertility Resources, and Facts on Pregnancy Tests and Ovulation Predictor Kits
Periodical - This application calculates the fertile days according to Knaus-Ogino.