Average Ovulation Cycle Day
Enter the first day of your last few menstrual periods to view your shortest and longest cycles and to calculate your average cycle length and most common cycle length.
Average ovulation cycle day. On average ovulation occurs within the 4 days before or after the midpoint of a woman s menstrual cycle 14 days before the start of a woman s next menstrual period. This calculator gives approximate ovulation dates and fertile times for women who have regular periods. But normal cycles can vary from 21 to 35 days. The menstrual cycle is the time from the first day of a woman s period to the day before her next period says toni belfield a specialist in sexual health information and a trained fertility.
There can be a great deal. Day 10 18 of the menstrual cycle on average is the most fertile phase of the menstrual cycle. The length of the menstrual cycle varies from woman to woman but the average is to have periods every 28 days. Most women ovulate anywhere between day 11 day 21 of their cycle counting from the first day of the lmp.
Use this calculator to see when you may be ovulating to help find your most fertile days. For women who have a 28 to 32 day menstrual cycles ovulation can take place between days 11 through 21 but it will only occur on one of these days. Regular periods mean having a period every 21 to 35 days fertility charting basal temperature tracking and purchased ovulation test kits can also be used to help predict a woman s fertile times. Ovulation can be calculated by starting with the first day of the last menstrual period lmp or by calculating 12 16 days from the next expected period.
Once you have your average cycle length you can use this number in the. Ovulation generally occurs midway through your menstrual cycle. For example if your cycle is 30 days long you would ovulate 16 days after your period begins. Remember this is just an average of days that ovulation could take place every woman s cycle is different.
The average cycle is about 28 days long meaning ovulation generally occurs around day 14 of your cycle. The average menstrual cycle lasts 28 days. Menstrual periods are different from woman to woman and month to month. The more dates you enter the more accurate the results will be.
If your cycle or luteal phase is different than the average you re better off counting backward 14 days from the next projected period.