Ovulation typically occurs about 14 days before the start of your next period. In a standard 28-day menstrual cycle, this means ovulation usually happens around day 14, counting from the first day of your period

. To determine how many days after your period you ovulate, you count from the first day of your period (day 1). For example:

• If you have a 28-day cycle, ovulation is around day 14, so about 14 days after your period starts

• If your cycle is longer, say 35 days, ovulation may occur around day 21, which is about 21 days after your period starts

• If your cycle is shorter, like 25 days, ovulation might happen earlier, around day 11

Because the luteal phase (the time from ovulation to the next period) is fairly consistent at about 14 days, you can estimate ovulation by subtracting 14 days from the length of your cycle. Ovulation usually occurs between days 11 and 21 of the cycle, depending on individual cycle length and regularity

. Sperm can survive inside the female reproductive tract for up to 5 days, so the fertile window includes the days leading up to ovulation. In summary, you generally ovulate about 11 to 21 days after your period starts, with the most common timing being around day 14 in a 28-day cycle. Tracking your cycle length over a few months can help you pinpoint your own ovulation timing more accurately