s a menstruation and ovulation
calendar app that is really. If your trying to get pregnant then this is the way to go. However, since your period is irregular then the best to figure out when you ovulate is through checking your temperature. Get a basal thermometer at Walgreen or cvs and start taking your temp. When your temp. rises then you have ovulated the day before. Also another way to check, is through your cervical mucus. It will look stretchy and egg white like when you wipe yourself.