Estimate ovulation date, fertile window, and pregnancy test timing.
Ovulation typically occurs about cycle length − luteal phase days after the first day of your period.
The fertile window includes the 5 days before ovulation and the ovulation day itself.
Is this calculator accurate?It provides an estimate, not a medical diagnosis.
Can cycles vary?Yes, stress and health can affect ovulation.
Can this be used for contraception?No, it is for awareness only.
