Estimates only - not medical advice.
Ovulation typically occurs about 14 days before your next period, so we count back from your expected next period (based on cycle length). The fertile window spans the five days before ovulation through the day after.
Find more pregnancy and fertility calculators on the home page.
Usually about 14 days before your next period; for a 28-day cycle that’s around day 14.
The roughly 6 days ending on ovulation day, when conception is most likely.
It’s an estimate based on average timing; ovulation predictor kits and tracking add precision.
Yes - enter your average cycle length for a better estimate.
No - talk to your doctor about fertility and conception.