Assuming
an average luteal phase of 14 days, your fertile days will be 13 to 18 days before your expected period.
Not exact matches
If your cycle (or
luteal phase) is a different length from the
average, you're better off counting backward 14 days from the next projected period.
Also known as an ovulation calculation, ovulation calendar, ovulation tracker, conception calculator, fertility calendar, or fertility calculator, this tool takes into account your
average cycle length and
luteal phase to give the most accurate fertility window for you.
On
average, the
luteal phase is 14 days long (half of an
average 28 - day cycle) nut «normal» is considered anywhere from 12 to 16 days.
Likewise, if you have an
average 28 - day cycle but your
luteal phase is 16 days, you would ovulate 12 days after your past period began.
If your
luteal phase or cycle length are different than the
average, plug your information into the ovulation calculator to get your specific ovulation and fertility predictions.