Fertile Days Calendar

Fertile Days Calendar. Typically, you can get pregnant during about 6 days each month. A cycle starts day 1 of your period and ends the day before your next period starts.

Ovulation calculator forecasts your ovulation and fertile days during your menstrual cycle, based on when your last period started, cycle and luteal phase length. The fertile days of a woman’s menstrual cycle leading up to the ovulation days are the days when a woman is most likely to get pregnant.