Ovulation calculator instructions: Enter the first day of your last menstrual period and how many days are in your cycle. The ovulation calculator will provide you with your estimated fertile days and estimated due date if you get pregnant during this time frame.
How-To Chart Videos
These are located at our complete Fertility Charting Guide
Part I: Ovulation, Fertile Days & Getting Pregnant
Part II: Fertility Signs, Hormones, Ovulation & Fertile Days
Part III: Fertility Chart, Detecting Ovulation and Fertile Days