Fertility calculators work by utilizing key menstrual cycle data, such as the length of your cycle and the date of your last period, to calculate your fertile window. By forecasting ovulation, these tools help users plan for conception or avoid pregnancy more accurately. https://creators.spotify.com/pod/profile/mypregnancycalc/episodes/How-Do-Ovulation-Calculators-Work--The-Science-and-Math-Demystified-e3bcug9